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mounting on an undersized shaft can lead to assembly failure or excessive vibration
Eliminates Internal Leakage: High-tolerance disc and seat ring components provide tight shut-off
High-Pressure Reliability: Specifically rated for R-410A solar and refrigeration systems with a robust 680 psig maximum working pressure
allowing technicians to perform precise pressure setpoint adjustment without removing the enclosure cover
preventing the "oil-canning" effect common in generic alternatives
Watts 0121344 Valve 318423-701 mounting on an undersized shaftThe Watts 0121344 (Series LF100XL 4 175) is a heavy duty 3 4 inch T&P relief valve designed specifically for hot water storage tanks and commercial water heater applications. Engineered with a lead free copper silicon alloy body, this valve provides critical automatic temperature and pressure protection for systems rated up to 105,000 BTU hr. The 100XL 4 model features an extended 4 inch thermostat with a specialized thermo bonded coating, ensuring