Disassemble Drain Assembly — Disconnect the Old Drain Assembly
Part of project
How to Replace a Bathtub Waste and Overflow Drain Assembly · Step 4 of 9
In this video
Begin by disassembling the old drain assembly. From the top of the sink, use a large adjustable wrench or spud wrench to unscrew the drain flange. You may need to hold the locknut on the underside of the sink to prevent the entire assembly from spinning. A bucket should be placed underneath to catch water. The connected PVC drain pipe is also cut using a saw to allow for complete removal of the old drain body.
Goal: Sink Repair (Standard)
- Be prepared for water to spill out when you disconnect the drain parts. Have a bucket and towels ready.
Used in this video
- Adjustable Wrench (brand: Husky, Adjustable_Wrench_Size: 10_inch) — To unscrew the drain flange from the top of the sink.
- Reciprocating Saw (brand: Unspecified, Power Source: Electric) — To cut the PVC drain pipe for removal.
- Bucket (brand: Unspecified) — To catch water and debris from the old drain.
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FAQs
How long should I expect this bathtub drain replacement project to take, especially if I'm a beginner?
For a beginner, plan to dedicate 3-5 hours for this project, including preparation and clean-up. Accessing the old drain and ensuring proper sealing of the new one can take time, so don't rush the process to avoid potential leaks later on.
What are the most common mistakes beginners make that lead to leaks after installing a new bathtub waste and overflow?
The primary cause of leaks is inadequate sealing. Ensure you apply a generous amount of plumber's putty (like Oatey 14 oz. Plumber's Putty) under the drain flange and correctly position and tighten the overflow gasket. Always perform a thorough leak test before re-enclosing any access panels.
Do I need special tools to remove a stuck or corroded old drain flange, or will standard tools suffice?
While a screwdriver and tongue-and-groove pliers (Channellock 430/440) are often sufficient, a severely corroded flange might require a specialized drain wrench or carefully using a hacksaw (Husky 10 in. Close Quarters Hacksaw) to cut the crossbars. Avoid excessive force to prevent damaging the tub's finish.
What are the most important safety precautions I should take during this bathtub drain replacement?
Always turn off the water supply to the bathtub before starting to prevent accidental flooding. Wear safety glasses to protect your eyes from debris, and ensure good ventilation if using plumber's putty or sealants. A drop cloth (TRIMACO Stay Put Canvas Plus) will protect your bathroom floor and catch any spills.
TranscriptHide
Auto-generated transcript. May contain errors.
Disassemble Drain Assembly — Disconnect the Old Drain Assembly
Part of project
How to Replace a Bathtub Waste and Overflow Drain Assembly · Step 4 of 9
In this video
Begin by disassembling the old drain assembly. From the top of the sink, use a large adjustable wrench or spud wrench to unscrew the drain flange. You may need to hold the locknut on the underside of the sink to prevent the entire assembly from spinning. A bucket should be placed underneath to catch water. The connected PVC drain pipe is also cut using a saw to allow for complete removal of the old drain body.
Goal: Sink Repair (Standard)
- Be prepared for water to spill out when you disconnect the drain parts. Have a bucket and towels ready.
Used in this video
- Adjustable Wrench (brand: Husky, Adjustable_Wrench_Size: 10_inch) — To unscrew the drain flange from the top of the sink.
- Reciprocating Saw (brand: Unspecified, Power Source: Electric) — To cut the PVC drain pipe for removal.
- Bucket (brand: Unspecified) — To catch water and debris from the old drain.
Frequently Asked Questions
How long should I expect this bathtub drain replacement project to take, especially if I'm a beginner?
For a beginner, plan to dedicate 3-5 hours for this project, including preparation and clean-up. Accessing the old drain and ensuring proper sealing of the new one can take time, so don't rush the process to avoid potential leaks later on.
What are the most common mistakes beginners make that lead to leaks after installing a new bathtub waste and overflow?
The primary cause of leaks is inadequate sealing. Ensure you apply a generous amount of plumber's putty (like Oatey 14 oz. Plumber's Putty) under the drain flange and correctly position and tighten the overflow gasket. Always perform a thorough leak test before re-enclosing any access panels.
Do I need special tools to remove a stuck or corroded old drain flange, or will standard tools suffice?
While a screwdriver and tongue-and-groove pliers (Channellock 430/440) are often sufficient, a severely corroded flange might require a specialized drain wrench or carefully using a hacksaw (Husky 10 in. Close Quarters Hacksaw) to cut the crossbars. Avoid excessive force to prevent damaging the tub's finish.
What are the most important safety precautions I should take during this bathtub drain replacement?
Always turn off the water supply to the bathtub before starting to prevent accidental flooding. Wear safety glasses to protect your eyes from debris, and ensure good ventilation if using plumber's putty or sealants. A drop cloth (TRIMACO Stay Put Canvas Plus) will protect your bathroom floor and catch any spills.
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Video Transcript
(347 characters)Transcript may be auto-generated and contain errors.