For maximum accuracy and to maintain the factory calibration

this filter will likely function

Fluorescent Only at 277 V

combustion conditions

Lochinvar & A.O. Smith 100110714 Valve 320788-704 For maximum accuracy and toThe Lochinvar & A. O. Smith 100110714 Valve is a 3 4" NPT Temperature and Pressure (T&P) relief valve engineered specifically for high demand commercial water heaters and residential boilers. Designed to handle up to 150 PSI, this ASME rated safety component provides critical over pressure and thermal protection for the pressurized tank. This valve features a lower probe configuration with a 3 4 inch male threaded inlet and a 3 4 inch female threaded