Robertshaw 780-787 Ignition Module Els PW 17895 When these pool heater limit

When these pool heater limit switches fail

This labor-saving combo allows technicians to monitor on/off status and execute start/stop commands in a single housing

Technicians should inspect for a clogged furnace filter

High-Torque Performance: Delivers approximately 54 in-lb of retracted torque

Maintains System Isolation: Prevents contaminated boiler water from re-entering the potable supply

Robertshaw 780-787 Ignition Module Els PW 17895 When these pool heater limitThe Robertshaw 780 787 Ignition Module is a professional grade Hot Surface Ignition (HSI) Control engineered for high reliability performance in gas fired heating systems. This specific unit is a direct replacement for the HS780 34NR 306A, maintaining exact electrical and mechanical specifications for seamless field installation. Operating on a 120V AC supply voltage with a 24V AC control input, this module features a 34 second ignitor warm up period