Noah Household — officially known as Anhui Noah Household Technology Co., Ltd. — is a trusted name in the global bathroom products industry. Established in 2024 through the collaboration of Ningbo Yize Bathroom Products Co., Ltd. and Guangdong Haiyang Bathroom Co., Ltd., the company combines over a decade of experience from both parent brands. Specializing in premium-quality shower drains and bathroom accessories, Noah Household delivers modern, durable, and aesthetically refined drainage systems for residential and commercial bathrooms across Europe, the Middle East, and North America.
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Their extensive product line includes:
The shower floor drain is an essential component of any bathroom plumbing system. It ensures that wastewater flows efficiently into the sewage system, preventing water pooling and mold growth. Over time, however, drains can corrode, clog, or develop leaks, necessitating replacement.
Whether you’re renovating your bathroom or dealing with a faulty drain, knowing how to replace it properly is crucial. This guide provides a detailed step-by-step process for replacing your shower floor drain safely and efficiently, along with expert insights from Noah Household, a global leader in advanced bathroom drainage systems.
2. Signs That You Need to Replace a shower floor DrainBefore jumping into the replacement process, it’s important to determine whether your drain truly needs to be replaced. Here are common indicators:

Before starting the replacement process, make sure you have all the necessary tools and materials ready:
Ensure the shower area is dry and clear of debris. Turn off the water supply if necessary, and cover the shower floor with a towel to protect it from scratches.
Step 2: Remove the Drain CoverUse a screwdriver to unscrew and lift the existing drain cover. Some models may snap off rather than unscrew, so proceed carefully to avoid damaging the surrounding tile.
Step 3: Loosen and Remove the Old DrainDepending on the installation type, you might need to unscrew the drain body or cut away old caulking. Use an adjustable wrench to loosen any retaining nuts beneath the floor. If your drain is cemented, you may need to use a chisel to break away the mortar carefully.
Step 4: Clean the Drain OpeningOnce the old drain is removed, thoroughly clean the opening using a putty knife. Remove any old sealant, debris, or rust. A clean surface ensures a tight seal for the new drain.
Step 5: Install the New Shower DrainApply a thin, even layer of plumber’s putty or silicone sealant around the new drain flange. Insert the drain body into the hole and ensure it sits flush with the floor. Tighten the locking ring or screws as required.
Step 6: Secure the Drain ConnectionFrom underneath (if accessible), attach the drain body to the waste pipe. Tighten securely with a wrench, ensuring no movement or gaps. If the installation is from above only, double-check the watertight seal from the top.
Step 7: Test for LeaksBefore sealing everything permanently, pour a small amount of water into the drain to test for leaks. If any water escapes, tighten the connections or reapply sealant.
Step 8: Apply Finishing TouchesOnce the drain is properly sealed, replace the drain cover and clean up the area. Allow the sealant to cure fully before using the shower (usually 24 hours).
5. Choosing the Right Shower Drain TypeDifferent shower drain styles suit different bathroom designs. Noah Household manufactures a wide variety of drains to meet all needs:
Noah Household combines technology, craftsmanship, and global design insight to produce durable and stylish shower drains. Here’s why homeowners and contractors prefer Noah products:
Proper maintenance ensures that your new shower floor drain performs efficiently for years. Follow these tips: