We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Watts 909 relief valve repair kit components in bag

Watts

Watts LFRK 909-RV Relief Valve Repair Kit 2 1/2-3

SKU CH-B1B9-617ZE

Repair kit for Watts LF909 relief valves sized 2-1/2 to 3 inches, including diaphragm, disc assembly and all required seals

  • TypeOther
  • Restores valve performance with complete repair kit
  • NSF Lead Free compliant for safe water supply
  • Fits Watts LF909 series 2-1/2 to 3 inch valves
  • Includes all essential seals, O-rings and lubricant
  • Ready-to-install kit minimises downtime during maintenance

Watts LF909 Relief Valve Repair Kit

This repair kit is designed for Watts Series LF909 relief valves in 2-1/2 to 3 inch sizes. It contains all essential components to restore proper valve function including O-rings, diaphragm, piston seal, and disc assembly. The kit meets NSF lead-free compliance standards for potable water systems. Maintenance teams use it to address wear and prevent leakage in commercial plumbing installations.

Plumbing professionals servicing LF909 valves

Facilities maintaining Watts LF909 series relief valves in the specified size range will find this kit matches their repair requirements. The included lubricant and comprehensive seal assortment support complete overhauls. Teams working on different valve models, smaller residential sizes, or non-Watts brands should verify compatibility before purchase as this kit is specific to the LF909 series.

LF909 series compatibility defines fit

The single specification determining whether this kit suits your needs is compatibility with Watts Series LF909 relief valves in 2-1/2 to 3 inch configurations. All included components — adapter O-ring, bottom plug O-ring, diaphragm, piston O-ring, piston seal, RV disc assembly, sleeve O-ring, and stem O-ring — are engineered for this exact series. No other valve series or size range is supported by this repair kit.

Highlights

  • Restores valve performance with complete repair kit
  • NSF Lead Free compliant for safe water supply
  • Fits Watts LF909 series 2-1/2 to 3 inch valves
  • Includes all essential seals, O-rings and lubricant
  • Ready-to-install kit minimises downtime during maintenance

Specifications

BrandWATTS
TypeOther

Questions about this item

Will this repair kit fit my existing Watts Series LF909 relief valve in the 2-1/2 to 3 inch size range?

Yes, the kit is designed specifically for Watts Series LF909 valves in the 2-1/2 in to 3 in size range, providing all necessary internal seals and the disc assembly.

How can I verify the relief valve is functioning correctly after installing the new diaphragm and piston seal?

After reassembly, pressurise the system and observe the valve outlet; it should remain closed until the set pressure is reached, then open fully and reseat tightly when pressure drops.

Which components are included in the box and is any additional lubricant or tooling required?

The box contains the adapter O-ring, bottom plug O-ring, diaphragm, piston O-ring, piston seal, RV disc assembly, sleeve O-ring, stem O-ring and a sachet of lubricant; no extra parts are needed.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.