specifically the QV

and large-scale commercial heating equipment

How do I verify if 125 PSI is the correct set point for my boiler

the 650 PSI rating makes it ideal for high-pressure R-410A applications

Operating on 24Vac control voltage

Watts 0121456 Valve Freon specifically the QVThe Watts 0121456 is a professional grade 140X 6 SS 125# temperature and pressure relief valve, serving as the updated, lead free (LF) replacement for the legacy 0259685 model. Specifically engineered for high capacity applications, this 1 inch T&P valve features a robust lead free copper silicon alloy body and a 6 inch stainless steel thermostat tube to ensure long term durability in aggressive water conditions. With a massive steam discharge