while the integrated manual gear release simplifies setup and manual positioning during commissioning

The junction box and terminal block design are specific to Williams wall furnaces that utilize a safety circuit loop

Like all hot surface ignitors

This classical series V-belt is rated for an operating temperature range of -32°F to +140°F

please verify your furnace model number against the technical data sheet or contact our team

Velocity Boiler Works (Crown) 3505065 Control Board 320074-702 while the integrated manual gearThe Velocity Boiler Works (Crown) 3505065 Ignition Control Board is a critical OEM component designed to manage the full ignition sequence for gas fired hydronic systems. This high reliability ignition control module operates on a 24 VAC power supply and features a broad operating temperature range of 40F to 175F, ensuring stable performance in demanding mechanical room environments. Built with integrated safety mechanisms, the 3505065 control board