Robertshaw 780-785 HSI Module Els PW 29614 designed to secure to the

designed to secure to the motor shaft via a hardened set screw for slip-free performance

All-in-One Componentry: Includes the necessary sprocket and hardware to streamline field replacement

The unit includes a 3/4 inch double solder union connection

it is recommended to use only the top two mounting holes when installing on irregular surfaces

This replacement housing gasket ensures an airtight connection between the combustion blower housing and the burner box assembly

Robertshaw 780-785 HSI Module Els PW 29614 designed to secure to theThe Robertshaw 780 785 HSI Module (780 34NL306A) is a universal hot surface ignition control designed for gas furnace and boiler applications utilizing 120V HSI systems. This non lockout module replaces obsolete Johnson Controls and Honeywell ignition modules, simplifying truck stock by consolidating multiple part numbers. Engineered for intermittent pilot or direct spark conversions, this Robertshaw replacement module operates on a 24V AC thermostat