Product Overview
The Fluidmaster 400LS is a universal toilet fill valve with Leak Sentry active leak detection and a water-saving roller clamp for bowl-refill adjustment. It also replaces the Fluidmaster 400LG Leak Guard valve.
Key Features:
- Universal replacement toilet fill valve
- Leak Sentry locking action helps alert users to tank leaks
- Toilet remains operational and resets with the tank lever
- Roller clamp adjusts bowl-refill water
- Anti-siphon design
- Replaces Fluidmaster 400LG
Common Uses:
- Replacing a worn toilet fill valve
- Adding active leak indication to a compatible toilet tank
- Adjusting bowl-refill water during toilet repair
Compatibility and Installation Notes:
Confirm toilet-tank clearance and water-supply compatibility before installation. Follow the linked Fluidmaster instructions for valve height, refill-tube placement, water-level adjustment, and leak testing.
FAQ:
What happens when a leak is detected?
The Leak Sentry mechanism provides a locking action that alerts the user; the toilet can be reset with the tank lever.
Does this replace the 400LG?
Yes.
Is an installation guide available?
Yes. A product-specific installation guide is linked with the product.
Why Buy From Big Frog Supply?
Big Frog Supply provides clear product information, helpful support, and convenient online ordering for toilet repair products.
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