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Always check the open circuit voltage with a multimeter to be sure
a full replacement is required to maintain a consistent flame signal
Can the manual opener remain installed during normal operation
It is factory-calibrated to open at 76°F and close at 80°F to ensure consistent HVAC system efficiency
Watts 0556004 Valve Els PW 17895 Always check the open circuitThe Watts 0556004 (Model LLL100XL 150) is a specialized 3 4" Temperature and Pressure Relief Valve designed specifically for modern high efficiency water heaters and storage tanks. For technicians dealing with the "thick insulation" challenge, this model features an extra extended shank that accommodates up to 3 inches of tank insulation, effectively eliminating the need for additional extension nipples that can compromise seal integrity. This lead