Robertshaw 780U-HS30

Universal Hot Surface Ignition Module

780U Series Universal Ignition Modules

The Robertshaw 780U-HS30 Universal Hot Surface Ignition Module, is a highly adaptable 24V ignition module ideal for gas furnaces, boilers, water heaters, and unit heaters. It offers configurable settings for the number of trials, pre-purge, trial for ignition, inter-purge, and restart time. This module can replace over 100 models, including those from Honeywell, White-Rodgers, Fenwal and more. Designed for 120VAC timed warmup hot surface ignition elements (up to 5A), it supports both single rod (local sense) and two rod (remote sense) flame sensing and is compatible with both natural and LP gas. The module also features LED indicators that provide clear information on flame presence, strength, system status, and errors.

Applications include Gas furnaces, boilers, water heaters and commercial cooking.

• Configurable 24V ignition module

• Selectable number of trials, pre-purge, trial for ignition, inter-purge and restart time

• Replaces over 100 models, including Honeywell, White-Rodgers, Fenwal and more

• 120 VAC (up to 5A) timed warmup hot surface ignition elements

• Flame sensing supports both single rod (local sense) and two rod (remote sense)

• Compatible with both Natural and LP gas

• LED indicators provide troubleshooting and notifications for flame presence/strength and displays system status and errors

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