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Watts 11/4 LF 223 brass water pressure reducing valve

Watts

Watts 11/4 LF 223 Water Pressure Reducing Valve

SKU CH-64W3-QDCK1

Reduces water pressure using a lead-free brass, pilot-operated design for 1-1/4 inch pipe

  • TypeOther
  • Lead-free brass construction for safer potable water systems
  • Pilot-operated design handles higher flow demands than direct-acting valves
  • 1-1/4 inch pipe size fits standard commercial plumbing connections
  • Reduces incoming water pressure to protect downstream fixtures and piping
  • Model 11/4 LF 223 identifies the specific valve configuration for ordering and maintenance

Pilot-Operated Pressure Reducing Valve

This pilot-operated valve reduces incoming water pressure to a safer level for residential plumbing systems. It is designed for service lines where flow demand is higher than direct-acting models can handle. The lead-free brass construction meets low-lead requirements for potable water installations. It suits plumbers and homeowners fitting a 1-1/4 inch supply line.

Thermal and Flow Characteristics

The valve body is brass, which conducts heat away from internal components during continuous flow. Operation is silent under normal pressure differentials because the pilot mechanism modulates smoothly without water hammer. No external power is required; the valve uses supply pressure to actuate the reducing function. It maintains a steady downstream set pressure across varying demand.

Lead-Free Brass Build and Connection

The 1-1/4 inch female threaded ends accept standard iron pipe size fittings without adapters. Lead-free brass resists dezincification and complies with current drinking water standards. The pilot-operated design requires sufficient flow to actuate, so very low-demand fixtures may not trigger regulation. Internal seats and stems are serviceable through the top cover for maintenance.

Highlights

  • Lead-free brass construction for safer potable water systems
  • Pilot-operated design handles higher flow demands than direct-acting valves
  • 1-1/4 inch pipe size fits standard commercial plumbing connections
  • Reduces incoming water pressure to protect downstream fixtures and piping
  • Model 11/4 LF 223 identifies the specific valve configuration for ordering and maintenance

Specifications

BrandWATTS
TypeOther

Questions about this item

How do I install the 1-1/4 inch Watts LF 223 pressure reducing valve and what step is often missed?

Fit the valve in the supply line with flow direction matching the arrow on the body; the step often missed is flushing the pipework first so debris cannot foul the pilot seat.

What maintenance will the lead-free brass LF 223 valve need over time?

Inspect the strainer screen annually and clean or replace it; check the pilot diaphragm for wear and adjust the setting if downstream pressure drifts.

What limit appears first on the Watts LF 223 during continuous high-flow use?

The pilot-operated design requires sufficient flow to stay stable; if demand drops below the valve's minimum, control is lost and pressure can creep upward.

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