Racor Fuel Filter Housing

[Neville Weir]

The racor primary fuel filter housing (200 series) on my boat needs replacing (old as the boat).  My nonsuch has a Westerbeke 27A engine.  I did speak with a filter specialist who could not cross-reference my old filter to a new filter housing, since my old housing is not supported by Racor anymore.  He felt a 500fg would do the trick, but my preference would be a filter housing that can be replaced at the base, since room is tight, if I have to go with this model, then I will make it work.  I noticed other models, like Sierra, but Racor seem to be the preferred choice.

Neville Weir

Cat Sass

Nonsuch 30U

[Joe Valinoti]

I assume you have a problem with the current Racor other then it being old??  I have the same one that is over 35 years old and not a problem.  I can still easily get filter cartridges.  

Joe Valinoti
S/V iL Gatto NS30U #221
Sea Harbour YC
Oriental, NC USA

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[Katmando]

I just replaced the Racor filter on my 1985 30u 33 Westerbeke.

Ordered it from the local marine store. It is a common filter size.

Cheers

Brian McCuaig. NS30u Katmando

Whitby, Ontario

“Having a Nonsuch  is reason for being more cheerful than most." 

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[Neville Weir]

Yes, the petcock is leaking and I have had issues sealing it from the top which may have created issues this year with air in the lines.  According to the filter company here, they do not supply parts, this model is not supported nor cross-referenced for a suitable replacement. The access for me is not easy to change the filter from the top.  It seems simple enough to me and based on another owner of a larger westerbeke engine I will probably purchase a filter house that loads the cartridge from the base. 

Thanks

Neville Weir

Cat Sass

Nonsuch 30U

[Mariner's Cat V 26C Brentwood Bay BC]

I replaced mine for the same reasons with a Racor 500 which appeared to be a model that would be around for a while...

[John Alexander Stewart]

Neville;

If I read your message right, you want to replace the whole filter with one the same size and reuse the mounting holes.

Somewhere on the Racor site, there are dimensional drawings - I did find them a while ago when I was trying to identify the Racor filter housing on my boat. 

By the way, mine's a 200FG, and last spring, a hairline crack in the plastic fuel bowl caused air ingress. Fortunately, another bowl (in better shape) was available, so it is something to keep in mind.

Here's one for the 500FG, it has dimensions, and may be of help:

https://www.parker.com/Literature/Racor/15332_Rev_G_500FG.pdf

If I can find the 200FG dimensions in my pile of notes, I'll send them along.

John Stewart

NS26C 046

Ottawa, Canada.

[Neville Weir]

Thanks John, I will look at the literature and dimensions.  I raised this issue since I visited a Racor dealer, and he could not help me but cautioned me given each filter assembly is specific to certain engines etc.  I thought the filter - was simply that - and that size and dimensions didn’t matter.  Thus he gravitated to the 500fg, but on looking at this filter (he had one to show me) it appears too large for my space etc.  I will look at the site and the above reference, thanks every one for chipping in and helping, much appreciated!

Best regards

Neville Weir

Cat Sass

Nonsuch 30U

[John Barbour - Nature 26U Toronto]

When my boat was recently surveyed, the original Racor fuel filter was singled out as not meeting today's ABYC standards. The clear plastic filter bowl is a hazard if there is a fire in the engine area. The surveyor suggested either installing a filter with a metal bowl or  installing a metal heat shield around the present filter.

John Barbour

Nature 26U

Toronto

 

[Joe Valinoti]

Those Racor filters were originally installed with the metal shield.  I removed mine so I can see what’s in the bowl.  Since water and diesel do not mix, it shows up as a line in the bottom.

 

Joe Valinoti
S/V iL Gatto NS30U #221
Sea Harbour YC
Oriental, NC USA

~~~~~(\_ ~(\_ ~(\_~~~~~~~~~~

From: Neville Weir

Sent: Thursday, December 3, 2020 2:21 PM

To: INA Nonsuch Discussion Group

Subject: Re: Racor Fuel Filter Housing

 

Thanks John regarding the plastic housing and the fire hazard, my surveyor missed that point (not to mention the deck rot!!) plus I would not like to try my luck in the messy world of insurance! So hard/solid casing it is.

 

Plus I think if we all routinely change the primary filter each year we can avoid staring into the plastic bowl, and guessing what water and diesel fuel mixed together looks like - thus a solid casing versus plastic makes sense.  I have incorporated a H2out filter into my vent hose (silica beads to suck moisture out of air coming into and out of the tank), it keeps water out, plus I keep my tank full particularly in a Vancouver damp winter as an extra measure.

 

In terms of sizing the right filter housing, the following is a quote from a Racor brochure:

This is how racor suggest sizing the filter housing direct from a technical brochure I found:

Find the fuel flow rate. You should obtain this information from your engine or equipment manufacturer or your Racor dealer. Use this information to select a Racor filter that has a greater flow rating than your equipment’s total fuel flow rate.

If this information is not available use the following formula for estimating.

Diesel or kerosene fuel systems:

Gallons per Hour is Engine Horsepower (maximum) multiplied by 18% or GPH = HP X 0.18 Gasoline fuel systems (carbureted):

Gallons per Hour is Engine Horsepower (maximum) multiplied by 10% or GPH = HP X 0.1 from my iPad

 

So the westerbeke 27A= 29hp = 34gph, I could not find anything on Gph for this engine so I used the racor formula.  So any housing that cannot cope with less than 34 gph is not advisable.  I note the sizes jump from 15 to 30 to 45 to 60 gph for racor filters.  So my focus would be on a filter housing at the 45 gph. Based on the info for the 200 series that I have at (it uses gallons per minute) .53 GPM = 31.8 GPH, which is the series that  we all have it seems (or installed originally by hinterhoeller) and it works even though fractionally lower than the bare miniumum!  Maybe there is some tolerance, or it may vary depending on what size micron filter you use. The risk of undersizing in my reading is that the engine might be starved of fuel, but if it has worked all these years, then other factors are at play.

 

I am not an engineer, but I think this helps guide me to looking at something in the 45 gph category/sizing, with 10 micron filter, and for convenience a housing that I can take the filter out from below and not from the top.  The 500fg was rated at 60 gph, which is more than satisfactory for those folks who have this size housing.

 

 

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[Jim Cosgrove]

Experts can correct me on this, but it seems to me that if you have an engine fire so fierce that it’s melted the Racor plastic bowl, you already are in a heap of trouble and a metal shield wouldn’t have helped much. 

Jim Cosgrove

FATE 30U #343

Galesville MD

Sent from my iPhone

On Dec 3, 2020, at 2:47 PM, Neville Weir <wei...@gmail.com> wrote:

Thanks John regarding the plastic housing and the fire hazard, my surveyor missed that point (not to mention the deck rot!!) plus I would not like to try my luck in the messy world of insurance! So hard/solid casing it is.

[Neville Weir]

Correct, if the fire is that fierce one would think that the plastic bowl is the least of your concern. However if a preventive measure can be initiated then it should be, but given Racor makes so many but ABYC makes contrary claims is curious.

My calculations are incorrect in my previous posting, I was doing it based on a web calculation on the site. The quote I used from the racor site is correct, just my lousy math was not. Given that, the 200 series is more than adequate. Apologies.

Neville Weir

Cat Sass

Nonsuch 30U

Sent from my iPhone

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[Tim in STL]

Well I am confused.  Our 26 with the Westerbeke 21A won't go through 31.8 gallons per SEASON, let alone per hour.  What do others have for real gallons per hour figures.  I am figuring about 1/gph.

Tim in STL

White O’morn NS26U

Harbor Point Yacht Club

West Alton, MO

[Ward Woodruff]

Tim,

The fuel pump moves more fuel than the engine consumes.  The fuel not consumed is led back to the fuel tank by the fuel return line.

Ward Woodruff
N33 #8 Margery

Niantic Bay, CT

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[Katmando]

Katmando with a Westerbeke 33 uses 2/3 of a gallon per hour at 6 Kts , in normal weather, on the nose blowing at 25+ it is about the same but at a slower speed.  I don’t like to bash through large waves but tend to rise up at an angle and slide down the other side at an angle, sort of fish tailing but comfortable for my guests and doesn’t spill anything below..so anything above say 5 gallons an hour would work.   

Diesel is vastly different than gasoline engines and is way more efficient and safer.

Brian McCuaig. NS30u

Whitby, Ontario

“Having a yacht is reason for being more cheerful than most." 

On Dec 3, 2020, at 2:21 PM, Neville Weir <wei...@gmail.com> wrote:

Thanks John regarding the plastic housing and the fire hazard, my surveyor missed that point (not to mention the deck rot!!) plus I would not like to try my luck in the messy world of insurance! So hard/solid casing it is.

 Plus I think if we all routinely change the primary filter each year we can avoid staring into the plastic bowl, and guessing what water and diesel fuel mixed together looks like - thus a solid casing versus plastic makes sense.  I have incorporated a H2out filter into my vent hose (silica beads to suck moisture out of air coming into and out of the tank), it keeps water out, plus I keep my tank full particularly in a Vancouver damp winter as an extra measure.

In terms of sizing the right filter housing, the following is a quote from a Racor brochure:

This is how racor suggest sizing the filter housing direct from a technical brochure I found:

Find the fuel flow rate. You should obtain this information from your engine or equipment manufacturer or your Racor dealer. Use this information to select a Racor filter that has a greater flow rating than your equipment’s total fuel flow rate.

If this information is not available use the following formula for estimating.

Diesel or kerosene fuel systems:

Gallons per Hour is Engine Horsepower (maximum) multiplied by 18% or GPH = HP X 0.18 Gasoline fuel systems (carbureted):

Gallons per Hour is Engine Horsepower (maximum) multiplied by 10% or GPH = HP X 0.1 from my iPad

So the westerbeke 27A= 29hp = 34gph, I could not find anything on Gph for this engine so I used the racor formula.  So any housing that cannot cope with less than 34 gph is not advisable.  I note the sizes jump from 15 to 30 to 45 to 60 gph for racor filters.  So my focus would be on a filter housing at the 45 gph. Based on the info for the 200 series that I have at (it uses gallons per minute) .53 GPM = 31.8 GPH, which is the series that  we all have it seems (or installed originally by hinterhoeller) and it works even though fractionally lower than the bare miniumum!  Maybe there is some tolerance, or it may vary depending on what size micron filter you use. The risk of undersizing in my reading is that the engine might be starved of fuel, but if it has worked all these years, then other factors are at play.

 I am not an engineer, but I think this helps guide me to looking at something in the 45 gph category/sizing, with 10 micron filter, and for convenience a housing that I can take the filter out from below and not from the top.  The 500fg was rated at 60 gph, which is more than satisfactory for those folks who have this size housing.

On Thursday, December 3, 2020 at 9:02:54 AM UTC-8 John Barbour - Nature 26U Toronto wrote:

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[Mariner's Cat V 26C Brentwood Bay BC]

Those Facet lift pumps come in various gph's  Lowest is about 15gph to 30 gph.  We burn  0.4 gph so you are actually polishing fuel along the way...

The metal shield on a Racor is needed to prevent fire..... really???  It only covers half the plastic part.  And what about the rubber fuel lines?   Makes no sense at all.... but then try reading the ABY on stray current..... call me when you understand it.

I took the metal part off like Joe, I need to see if there is water in there. Fire, the fuel filter will be the least of my problems on a fibreglass boat. 

[Neville Weir]

As I said in the email, the calculation of the web I was using was incorrect.

[wei...@gmail.com]

I deleted the earlier email illustrating the racor measurements (see racor guide below)I made a mistake after using another website, apologies again.

Anyway, the good news is that we have more than adequate filters/housings, appropriately sized it seems.  So for a westerbeke 27A (29hp) we have a GPH of 5.2, well within most racor models on the market based on the calculation below.

However, as someone noted a lot of fuel is returned to the tank, I am not sure what the 18% represents or what guides racor in their thinking.  But if we then look at the fuel lift pump, the pump should run at least 225cc every 15 seconds, this is on the specs in a westerbeke manual. If you convert cc to fluid OZ, then fluid OZ to US gallons (less if use imperial) just over 14 gallons per hour is run through the system.  In fact they have a test in the technical manual on testing the fuel lift pump using kerosene. Again well within our specs of most racor models on the market. 

Find the fuel flow rate. You should obtain this information from your engine or equipment manufacturer or your Racor dealer. Use this information to select a Racor filter that has a greater flow rating than your equipment’s total fuel flow rate.

If this information is not available use the following formula for estimating.

Diesel or kerosene fuel systems:

Gallons per Hour is Engine Horsepower (maximum) multiplied by 18% or GPH = HP X 0.18 Gasoline fuel systems (carbureted):

Gallons per Hour is Engine Horsepower (maximum) multiplied by 10% or GPH = HP X 0.1

Neville Weir

Cat Sass

Nonsuch 30U

[gregor...@gmail.com]

Neville,

I replaced my entire Racor assembly this fall on my 1991 30U with a Westerbeke 35. The clear bowl was so cloudy that it became difficult to see if any water was collecting at the bottom. Because of its age and the limited availability of replacement parts the cost of the bowl was as expensive as an entire new assembly (with filter) so I made the decision to replace it with the current model. The replacement very quick and easy. I don't remember the part number of the new unit but have the paperwork in the boat and will be happy to look at that when I get over to check on her in the next week or two. The Westerbeke 27 will take the same filter as the 35.

Greg Doyal
NS30U #516 Challenge
Grosse Pointe, MI

[Neville Weir]

Thanks Greg, I have an order in for a Racor 230R which can manage 30 gph, more than enough.  The smaller filters at 15 gph, according to the filter dealer would require replacing more often than the large filters, if the throughput of diesel is near the 15 gph which it appears to be based on the pull of the fuel lift pump, it seems it might gum up a bit quicker. Like you it just wasn’t worth trying to repair it, but it became a bigger issue when the recommended replacement by the filter company was much larger than the current one and then removing the filter etc. would have been difficult.  I have settled for a much smaller filter housing now.  But thanks, I won’t need the paperwork now.

Best regards

Neville Weir

Cat Sass

Nonsuch 30U

Sent from my iPad

On Dec 5, 2020, at 2:09 PM, gregor...@gmail.com <gregor...@gmail.com> wrote:

Neville,

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[W C]

I recently had a surveyor on my 354 to inspect some work I had done to correct some issues BoatUS insurance had asked for.  In the process he recommended switching to the Racor 500 series which apparently is easier and less messy to change the filter.

Barry Clark

Swan's Wing NS354  #71

Urbanna Harbor Yacht Club

Urbanna, VA

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[Neville Weir]

Barry, the 500 series was the first choice as a cross reference to the current filter which is no longer supported by Racor.  However, for me the size of the filter housing was a little too large and the fuel ports were sized at 3/4 inch, larger than the current ports which would have required using an adaptor fitting.  But having said that, the frequency of changing the filter of that size may have been less frequent, which is a plus.

Thanks

Neville Weir

Cat Sass

Nonsuch 30U

Sent from my iPad

On Dec 6, 2020, at 12:37 PM, W C <blue...@gmail.com> wrote:



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[Mariner's Cat V 26C Brentwood Bay BC]

Frequency of filter change is proportional to the quality of the fuel and filter size / fineness,   obviously.  I think I have good fuel and get about 250 hours easily in a Racor 500 using a 10 mircon filter.  I was told by Westerbeke the engine mounted filters on W21 are 30 micron . 

[Joe Valinoti]

Neville:  I’m not sure if that’s correct about the engine mounted filter being 30 microns.  My understanding is they are, like mine, 2 microns. 

 

Joe Valinoti
S/V iL Gatto NS30U #221
Sea Harbour YC
Oriental, NC USA

 

PS – Where do you live??  It’s not on your signature

~~~~~(\_ ~(\_ ~(\_~~~~~~~~~~

 

From: Mariner's Cat V 26C Brentwood Bay BC

Sent: Tuesday, December 8, 2020 12:17 PM

To: INA Nonsuch Discussion Group

Subject: Re: Racor Fuel Filter Housing

 

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[wei...@gmail.com]

I’m sorry Joe, I missed your response.  I’m not sure I ever said 30 microns, it should be minimum 10 microns at the primary and then the secondary filter is rated at 2 microns. 

Where I did mention 30 was in relation to 30 gph rating of the housing which I think should be the guiding principle, which was what I was after when I started this thread - it is clear to me now based on the “power” of the fuel lift pump re the 225cc etc, that  it pumps nearly 15 gph, so going to 30 gph makes sense to me so it clears this hurdle and may provide a little more longevity to replacing the filter. 

 I didn’t think I would have to dig so hard to find all this out!!  Maybe we need a bible of “facts” for these engines that we can all reference to when we strike trouble or face a plethora of filter housings (so many to choose from!!)

I apologize I will amend my signature, I live in a very wet and grey Vancouver Canada!

Best regards

Neville Weir

Cat Sass NS30U

Vancouver, BC

Canada

[Joe Valinoti]

I thought it might have been a typing error, Neville - “I was told by Westerbeke the engine mounted filters on W21 are 30 micron .”  Actually, my primary is also 2 microns.

 

Joe Valinoti
S/V iL Gatto NS30U #221
Sea Harbour YC
Oriental, NC USA

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[Katmando]

A good start would be acquiring the Westerbeke manuals for the engine, operating and technical.   

Brian McCuaig. NS30u

Whitby, Ontario

“Having a nonsuch is reason for being more cheerful than most." 

On Dec 14, 2020, at 13:36, wei...@gmail.com <wei...@gmail.com> wrote:

I’m sorry Joe, I missed your response.  I’m not sure I ever said 30 microns, it should be minimum 10 microns at the primary and then the secondary filter is rated at 2 microns. 

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[Sprio]

On another discussion group, in another language, there's a review about a Chinese rip-of of the Rahcor 500FG. Very positive! 

I do not need one myself but I thought to get it under the attention, it could be a contribute to the discussion here!

The link to this product is

https://www.aliexpress.com/item/4000218343873.htm 

There are more sellers that sell the same item. 

It's worth taking a look because the price is unbelievable, just 35 euro's... about 30 USD I guess. 

By clicking this link you can look at some photos of the actual product taken by sailors. If you want me to translate, I'll be happy to, no problem at all

https://zeilersforum.nl/index.php/forum-hoofdmenu-37/motoren/588905-review-aliexpress-racor-500fg

Hope this helps. I can't give you any personal experience but I can translate what other Dutch sailors have to say about it. Let me know.

mark

n36#25

nld

[Mariner's Cat V 26C Brentwood Bay BC]

Westerbeke did say 30m.... surprised me too.  It was the service manager for Westerbeke at the time. who informed me.  The lift pump I have now is a Facet and it has a plastic mesh that is cleanable vs the paper one in the original. No   Both  on engine filters are Mitsubishi parts not Westerbeke.

Apparenly the new mesh ones are 74m

https://pbase.com/mainecruising/facet_fuel_pump_filter

[Val Aries]

Hi folks,

I’m troubleshooting a diesel leak by the aluminum retainer ring of the engine’s first filter. Engine is a W13.

I replaced the filter, the small and large o rings.

Because of the rough texture of the aluminum ring, i figured it should be tightened by hand. Result: diesel leak.

Second attempt, tightened it with pliers.

Third attempt, added a second, slightly thicker o ring, in addition to the supplied o ring (so two large o rings in total). Result: better, much better, but still leaking a bit of diesel!

I’m now considering removing the second “larger” o ring, and adding a flat o ring.

Thought i would bounce this off on the Nonsuch Collective before continuing on my little Frankenstein journey!

Thank you 

Val

NS26C #75

Ottawa, ON

NSC

On Dec 15, 2020, at 3:26 PM, Mariner's Cat V 26C Brentwood Bay BC <thor....@gmail.com> wrote:



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[Joe Valinoti]

First off, Val, I believe the filter in question is more appropriately called the secondary filter.  The first one being the one closest to the tank.  I’m not sure if that #13 is an “O” ring or a flat seal.  I can’t find my parts manual.

Joe Valinoti
S/V iL Gatto NS30U #221
Sea Harbour YC
Oriental, NC USA

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[Joe Valinoti]

I take that back, Val, the manual calls it the primary fuel filter. 

 

Joe Valinoti
S/V iL Gatto NS30U #221
Sea Harbour YC
Oriental, NC USA

~~~~~(\_ ~(\_ ~(\_~~~~~~~~~~

From: Val Aries

Sent: Wednesday, May 11, 2022 8:49 AM

To: INA-Nonsuch-Di...@googlegroups.com

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[Val Aries]

Here’s the kit I used. It’s an actual Westerbeke/OEM product. The rings, in both cases, are definitely round, not flat, o rings.

On May 11, 2022, at 10:29 AM, Joe Valinoti <joes...@gmail.com> wrote:



I take that back, Val, the manual calls it the primary fuel filter. 

 

Joe Valinoti
S/V iL Gatto NS30U #221
Sea Harbour YC
Oriental, NC USA

~~~~~(\_ ~(\_ ~(\_~~~~~~~~~~

 

From: Val Aries

Sent: Wednesday, May 11, 2022 8:49 AM

To: INA-Nonsuch-Di...@googlegroups.com

Subject: Re: Racor Fuel Filter Housing

 

Hi folks,

 

I’m troubleshooting a diesel leak by the aluminum retainer ring of the engine’s first filter. Engine is a W13.

 

I replaced the filter, the small and large o rings.

 

Because of the rough texture of the aluminum ring, i figured it should be tightened by hand. Result: diesel leak.

 

Second attempt, tightened it with pliers.

 

Third attempt, added a second, slightly thicker o ring, in addition to the supplied o ring (so two large o rings in total). Result: better, much better, but still leaking a bit of diesel!

 

I’m now considering removing the second “larger” o ring, and adding a flat o ring.

 

Thought i would bounce this off on the Nonsuch Collective before continuing on my little Frankenstein journey!

 

Thank you

 

Val

NS26C #75

Ottawa, ON

NSC

 

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[Joe Valinoti]

Roger that, Val.  In that case, I have no suggestions except to carefully look at that cup and cap.

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[Cedric Guthrie]

There was always a problem reusing the aluminum ring to tighten

Put new ring on and shud be no problem 

If I recall a new ring came with replacement filter

Cedric Single Malt

26C # 207

Chester Nova Scotia

Sent from my iPhone

On May 11, 2022, at 11:50, Joe Valinoti <joes...@gmail.com> wrote:



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[Tom Schoenhofer 26C#28 North Star Penetanguishene]

Start over.

Just install the correct large O ring13, can 17, and ring16, with no filter. Use fingers only. You will feel when the ring gets to the point where the O ring is starting to compress. Remember where this is.

Take it off and put the new filter in with the small O ring and reassemble with the one 13 O ring. Screw the knurled ring on by hand. Note if it doesn't go smoothly on all the way like the fist step, it will leak, and what happened is the filter/small O ring isn't lined up correctly inside.

It's hard to see but that new filter/small O ring fits in/on a thing inside. It must be on there correctly.

My kit never had a new knurled aluminum ring. I think its original. It goes on with fingers nicely but I'm sure it could be cross threaded easily.

Finger tighten.

No leak.

If you use a bigger O ring or two O rings the fuel will just go around the filter and the filter won't be doing its job. 

Tom

26C #28 W13

[Val Aries]

Clarification: both 13 and 14 slip right into the little groove. Perhaps I should just try it again and tighten it by hand, not too tight. I definitely have a tendency to over tighten things… more is better, right 😉 

The knurled aluminum ring did not come with the kit. It is original to the engine.

Here i go again. Wish me luck 🍀 

Val

On May 11, 2022, at 11:50 AM, Tom Schoenhofer 26C#28 North Star Penetanguishene <tschoe...@gmail.com> wrote:

Start over.

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[Joe Valinoti]

Good idea, Tom.  BTW, where are you located??

 

Joe Valinoti
S/V iL Gatto NS30U #221
Sea Harbour YC
Oriental, NC USA

~~~~~(\_ ~(\_ ~(\_~~~~~~~~~~

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[Val Aries]

It’s in my initial msg from earlier today, Joe ;)

On May 11, 2022, at 12:45 PM, Joe Valinoti <joes...@gmail.com> wrote:



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[Joe Valinoti]

We don’t require it, but it helps when it’s in the signature.

 

Joe Valinoti
S/V iL Gatto NS30U #221
Sea Harbour YC
Oriental, NC USA

~~~~~(\_ ~(\_ ~(\_~~~~~~~~~~

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