What is the purpose of the built-in auxiliary switch

and Schneider Electric actuators

The integrated SPDT switch is rated for 24FLA at 120/240VAC

For V3 series UDAP or UDAS heaters

For technicians performing a gas burner transformer replacement

Resideo S8910U3000 Ignition Module R-22 What is the purpose ofThe Resideo S8910U3000 is an industry standard universal hot surface ignition module engineered to replace over 800 legacy models, including the S89G1021, S8910U1000, and 62 25078 02. Designed for professional field service, this 24 VAC control manages direct ignition systems utilizing a 120 VAC hot surface igniter element. It features a 32 second prepurge and field selectable DIP switches that allow technicians to precisely match trial counts (1 or 3