For HVAC contractors performing Reznor heater maintenance

The Modine 5H0806850000 Gas Valve is the direct OEM replacement for 5H80685

the board includes a built-in 3-second time delay

provided the model number matches the manufacturer’s parts list

Heavy-Duty Construction: Engineered to original York technical specifications for resistance to groove wear and thermal expansion in high-cycle environments

Fenwal 35-615900-227 Module L99H008 For HVAC contractors performing ReznorThe Fenwal 35 615900 227 is a microprocessor based 24V Direct Spark Ignition (DSI) module specifically engineered as a direct Armstrong furnace replacement. Designed for gas fired appliances, this ignition control module manages the inducer blower relay, flame sensing, and gas valve synchronization with high precision timing. High level performance is sustained through its 30 second pre purge and 15 second trial for ignition (TFI) cycles, which ensure