It is highly recommended to use this genuine OEM part

Common Questions Is this trap assembly compatible with gas furnaces

as this Bard furnace high limit switch is often the first indicator of restricted airflow or a fouled evaporator coil

50" WC terminal side to maintain the original safety sequence

allowing for automated adjustments based on outdoor or mixed air conditions without external sensors

TE Connectivity 27E121 Panel/Rail Mount R-22 It is highly recommended toThe TE Connectivity Potter & Brumfield 27E121 is a heavy duty, 3 pole relay socket engineered for industrial control panels and automation assemblies. Designed for versatility, this 11 pin square base socket supports panel mounting via dual screw slots or secure DIN rail mounting using standard track clips. With a robust 15 Amp current rating and a 300V voltage threshold, it provides a stable electrical interface for power relays in high demand HVACR