This microprocessor-based unit utilizes standard 24 VAC input and features a fixed 30-second pre-purge period followed by a 4-second trial-for-ignition (TFI) to ensure safe and efficient combustion

Simplified Troubleshooting: Corrects common thermopile and pilot assembly signal failures caused by faulty internal circuitry

Technicians typically find this part requires replacement when the furnace is short-cycling (shutting down before the thermostat is satisfied) or if the system throws an "Open Limit Switch" error code

Is this fuse a "rejection" type

Conbraco 18C-512-8-150 Valve 321894-709 This microprocessor-based unit utilizes standardThe Conbraco 18C 512 8 150 is a high capacity commercial temperature and pressure relief valve designed for the rigorous demands of large scale hot water storage tanks and boiler systems. Featuring a 3 4 inch FNPT inlet and a 3 4 inch FNPT outlet, this bronze bodied safety device is engineered to provide critical overpressure protection. It is factory set to discharge at 150 PSI and 210F, boasting an impressive ASME Section IV certified capacity of