Robertshaw Ignition Control: Universal, 24V AC, 6 min Pre-Purge, 1.5 A Main Valve Output
The Robertshaw 780-735 is a universal intermittent pilot ignition control designed for use with other OEM brands. Operating on 24V AC, this ignition control features a 6-minute pre-purge cycle and a 1.5 A main valve…
SKU 3G-OTH-68222
Need installation or engineering help?
Ask a question
Product Description
The Robertshaw 780-735 is a universal intermittent pilot ignition control designed for use with other OEM brands. Operating on 24V AC, this ignition control features a 6-minute pre-purge cycle and a 1.5 A main valve output. It serves as a replacement ignition control for compatible gas-fired heating equipment.
Frequently Asked Questions
What is the Robertshaw 780-735 ignition control used for?
The Robertshaw 780-735 is a universal intermittent pilot ignition control used to replace failed controls in gas-fired heating equipment. It operates on 24V AC and is compatible with other OEM brands, making it suitable for furnaces, boilers, and unit heaters requiring a 6-minute pre-purge cycle.
What are the specifications of the Robertshaw 780-735 ignition control?
The Robertshaw 780-735 is a 24V AC universal intermittent pilot ignition control with a 6-minute pre-purge cycle and a 1.5 A main valve output. It is designed as a replacement for other OEM brands in gas-fired heating systems. The manufacturer part number is 780-735.
Where to buy the Robertshaw 780-735 ignition control worldwide?
3G Electric supplies the Robertshaw 780-735 ignition control worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this universal 24V AC ignition control for your gas-fired heating equipment.
How to install the Robertshaw 780-735 ignition control?
Install the Robertshaw 780-735 by first disconnecting power and gas supply. Mount the control in a dry location, wire per the manufacturer's diagram (24V AC input, flame sensor, and 1.5 A main valve output), and verify the 6-minute pre-purge cycle operates correctly before commissioning the heating equipment.
Used in
Common applications for RobertshawRobertshaw Products
3G Electric supplies Robertshaw intermittent pilot ignition controls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.





