Resideo R8228B1012 Relay 321894-709 It features a straight-through body

It features a straight-through body pattern with an adjustable servo regulator to maintain consistent manifold pressure

114 rod diameter for flame rectification

This heat pump defrost board integrates seamlessly with existing wiring harnesses using standard 1/4-inch quick-connect terminals

Whether you are addressing HVAC troubleshooting issues related to sensor drift or performing a system upgrade

Enhanced Connectivity: Specifically designed to support Carrier deluxe thermostats for reliable communication and system control

Resideo R8228B1012 Relay 321894-709 It features a straight-through bodyThe Resideo R8228B1012 Relay is a field proven heavy duty switching relay engineered to handle demanding electrical loads in refrigeration, air conditioning, and industrial heating applications. This 24Vac coil switching relay features a Single Pole Double Throw (SPDT) configuration, providing reliable logic for both normally open and normally closed circuits. It serves as the direct R8228B1012 HN61KA016 replacement, facilitating a seamless upgrade