Isolated Coil Design: Provides electrical separation between the control and load circuits

5" WC for stable gas flow and optimal combustion efficiency

professional look while ensuring the heater remains rigid during startup and operation cycles

the 90-163 ensures a positive make and break

this unit is the authorized OEM replacement for the Honeywell 9371-VO-HD-0056 often found in Source 1 equipment lines

Conbraco 18C-511-3-125 Valve 30067439-890 Isolated Coil Design: Provides electricalThe Conbraco 18C 511 3 125 is a high capacity temperature and pressure relief valve designed specifically for heavy duty commercial water heating systems. Featuring a 3 4" male NPT inlet and a 3 4" female NPT outlet, this valve is engineered to provide reliable thermal protection by discharging water when pressure exceeds 125 PSI or temperatures reach 210F. With a discharge capacity of 1,619,000 BTU, it meets the rigorous demands of large boilers and