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400A fill valve description
The Fluidmaster 400A anti-siphon toilet fill valve is a rubber replacement valve for a toilet tank. Check the existing valve and tank connection to confirm the part suits the repair.
400A fill valve highlights
Anti-siphon design
The valve is designed to help prevent water from siphoning back through the toilet fill system.
400A fill valve specifications
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Made in: Mexico
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Material: Rubber
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Manufacturer: Fluidmaster
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Brand: Fluidmaster
4.4 ★★★★★ ★★★★★ (5)
5 ★ 2
4 ★ 3
3 ★ 0
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Customer Photos
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Customer Reviews
5 ★★★★★ ★★★★★ 4.0
h***n
A solid replacement. No fuss once it was in.
★★★★★ ★★★★★ 5.0
b****p
VerifiedWorks well
Nice and quiet, and everything is working as it should.
★★★★★ ★★★★★ 4.0
b*r
VerifiedGot the tank filling properly again. Pretty straightforward.
★★★★★ ★★★★★ 4.0
n****l
Did the job and the tank fills normally now.
★★★★★ ★★★★★ 5.0
u**u
Very happy with how smoothly this worked out.















