Description
The Watts F121456 LF140X-6 is a 1-inch lead free automatic reseating temperature and pressure relief valve engineered for dependable overpressure and overtemperature protection in water heating and hydronic systems. Designed to meet strict lead-free compliance requirements, this valve is ideal for potable water applications where safety and regulatory conformance are paramount.
Key Features
- Lead-free construction for potable water compliance
- Automatic reseating design — reseats after actuation without manual intervention
- 1-inch connection size for straightforward installation on standard water heaters and boilers
- Rated pressure relief setting: 125 psi
- Rated temperature relief setting: 210°F
- 6-inch stainless steel thermostat probe for accurate immersion temperature sensing
- Discharge line flood sensor included for added leak detection and system monitoring
Performance & Safety
The LF140X-6 automatically relieves excess pressure and temperature to protect water heaters, storage tanks, and hydronic equipment from potentially dangerous overpressure conditions. The automatic reseating function eliminates the need for manual reset after a relief event, reducing downtime and service calls. The included discharge line flood sensor provides an extra layer of protection by detecting water discharge at the valve outlet.
Specifications
- SKU: F121456
- Model: LF140X-6
- Connection Size: 1 inch
- Pressure Relief Setting: 125 psi
- Temperature Relief Setting: 210°F
- Thermostat Length: 6 inches
- Thermostat Material: Stainless Steel (SS)
- Construction: Lead Free
- Discharge Line Flood Sensor: Included
- Brand: Watts
Applications
- Residential and commercial water heaters
- Hot water storage tanks
- Hydronic heating systems and boilers
- Potable water systems requiring lead-free components
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