Parts database

Match the part before you buy it

Twelve common floor-drain parts with the dimensions that actually matter. Filter by type, drain style and diameter; sort by price or difficulty. Prices are typical retail, in US dollars.

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Showing all 12 parts.

Floor drain parts with type, fit, diameter, price and difficulty
Part	Type	Fits	Diameter	Price	Difficulty
	Cover	Floor drain	100 mm	$12	EASY
Slotted stainless disc, sits in the tile recess. Measure the recess, not the slot span. Min. clear depth 0 mmFits Floor drain How to fit it
	Cover	Shower channel	115 mm	$28	EASY
Heavier and quieter underfoot. Check the screw pitch on older models. Min. clear depth 0 mmFits Shower channel How to fit it
	Filter	Floor drain	80 mm	$6	EASY
Drops into the bore and lifts out for cleaning. The mesh size is what matters. Min. clear depth 40 mmFits Floor drain How to fit it
	Filter	Shower tray	42 mm	$5	EASY
Replaces the pop-up stopper. Fits most 40 mm wastes. Min. clear depth 25 mmFits Shower tray How to fit it
	Seal	Floor drain	75 mm	$8	EASY
The common perished part. If it curls up, it stops sealing and the room smells. Min. clear depth 30 mmFits Floor drain How to fit it
	Seal	Deep seal	90 mm	$14	MEDIUM
Holds a real water seal. Needs 90 mm of clear depth below the grate. Min. clear depth 90 mmFits Deep seal How to fit it
	Valve	Floor drain	40 mm	$9	MEDIUM
Opens under flow, closes against air. The best answer for a drain you rarely use. Min. clear depth 60 mmFits Floor drain How to fit it
	Valve	Shower waste	50 mm	$12	MEDIUM
Fits inside the pipe rather than the grate. Needs a clean, round bore. Min. clear depth 70 mmFits Shower waste How to fit it
	Trap	Shower tray	40 mm	$22	HARD
Full replacement trap with compression nuts. Check the outlet direction before cutting. Min. clear depth 120 mmFits Shower tray How to fit it
	Trap	Floor drain	50 mm	$26	HARD
For higher flow. Confirm the fall to the stack is at least 1:60. Min. clear depth 140 mmFits Floor drain How to fit it
	Adapter	Universal	50→40 mm	$4	EASY
The part nobody buys until the new valve falls through the hole. Min. clear depth 10 mmFits Universal How to fit it
	Adapter	Universal	3 sizes	$7	EASY
Stops weeps between the drain body and the tile. Replace it whenever you lift the body. Min. clear depth 5 mmFits Universal How to fit it

Measure twice

Floor drains are not standard. Measure the recess diameter, the bore diameter and the clear depth below the grate before ordering anything. A part that does not fit is not cheaper than a plumber.