Robertshaw 780-783 Ignition Module 30067439-890 High Thermal Resistance: Materials selected

High Thermal Resistance: Materials selected to handle the demands of saturated steam environments without premature degradation

The control is supplied with a "break-off" shaft featuring notches at various lengths

it ensures precise thermostat wiring compatibility and maintains the original factory specifications for data transmission between the sensing device and the controller

it allows system pressures to equalize

Isolate the power and perform a continuity test using a multimeter

Robertshaw 780-783 Ignition Module 30067439-890 High Thermal Resistance: Materials selectedThe Robertshaw 780 783 is a critical HSI ignition module engineered for high demand gas fired heating systems and commercial cooking applications. As a direct replacement for the HS78034PL308A, this unit utilizes standard 120V AC supply voltage and 24V AC control voltage to provide reliable hot surface ignition. Designed for versatile field application, it supports both local and remote flame sensing, ensuring a stable flame rectification signal