Robertshaw 780-790 Ignition Control Module

Robertshaw 780-790 Ignition Control Module is a reliable hot surface ignition controller designed for gas furnaces and boilers. The Robertshaw 780-790 delivers a precise ignition sequence with flame sense and local sensing to ensure fast, dependable starts in heating applications.

Engineered for local flame sense and compatibility with remote sensing, this ignition control supports a single ignition sequence from start to finish, including a 4-second ignition trial and a 17-second prepurge. It operates on 24 VAC at 50/60 Hz, handling valve current up to 1.5 A and maximum igniter current up to 5 A, making it suitable for residential and light commercial systems. Its wide temperature range (-40 to 176 F) ensures consistent performance in varied environments, and CSA approval for Canada and the US provides safety compliance for installations.

• Ignition type: Hot Surface
• Flame sense: Local (with remote sense compatibility)
• Ignition source: Hot Surface
• Ignition sequence: 1
• Ignition trial time: 4 seconds
• Prepurge time: 17 seconds
• Voltage/current: 24 VAC, 50/60 Hz; valve rating 1.5 A; max igniter current 5 A
• Temperature rating: -40 to 176 F
• Applications: Local Sense, Remote Sense, Heating
• Certification: CSA approved