Watts 0556002 Valve preventing hazardous unburned gas buildup

preventing hazardous unburned gas buildup and nuisance lockout codes

which leads to excessive internal temperatures that exceed the thermal fuse rating

effectively interrupting the burner circuit to prevent heat exchanger damage during high-temperature events

As an OEM replacement part

and DNRA duct smoke detector housings

Watts 0556002 Valve preventing hazardous unburned gas buildupThe Watts 0556002 (Model LFLL100XL 150 3 4) is a lead free transition for the legacy 0066132, engineered specifically for high efficiency water heaters and storage tanks. Designed as a dual function T&P relief valve, it provides autonomous protection against excessive thermal expansion and over pressurization. This model features an extended shank capable of penetrating up to 2 1 2 inches of tank insulation, eliminating the need for additional