Robertshaw 780-003 Ignition Module R-410A This valve body is compatible

This valve body is compatible with water and glycol mixtures ranging from 25% to 50% concentration

Reliable Switching: Precision relays for low-voltage 24VAC heating and cooling circuits

The Watts 1450F is built for field reliability

The HH22HB075 operates as a mechanical switch within the 24V control circuit and does not require a separate power supply

Automatic Reset Function: Re-engages at 120°F to resume normal heating cycles without manual intervention

Robertshaw 780-003 Ignition Module R-410A This valve body is compatibleThe Robertshaw 780 003 is a non lockout, intermittent pilot ignition control module designed for 24V AC heating systems. This universal replacement ignition control module features a 60 second lockout timing and a 30 second pre purge period to ensure safe combustion cycles. It is engineered to replace both intermittent pilot and re ignition systems, featuring safety lockout functionality that shuts down gas flow if the pilot fails to ignite. Field