Resideo S8701A1066 Ignition Module 321702-401 and vibration in demanding environments

and vibration in demanding environments

This replacement damper actuator is constructed for high-cycle applications

streamlining field setup for HVAC contractors

which is necessary for maintaining system efficiency and protecting compressor longevity

Resideo S8701A1066 Ignition Module 321702-401 and vibration in demanding environmentsResideo S8701A1066 is a direct spark ignition (DSI) module with a 6 second trial for ignition and lockout feature, designed for gas fired HVAC equipment such as furnaces, boilers, and rooftop units. It controls burner startup by delivering spark ignition and verifying flame presence to ensure safe and controlled combustion. This module is commonly used as a replacement when existing ignition controls fail, experience intermittent ignition, or no