as an OEM-spec part

and 0-75 PSI under DC voltage configurations

designed for industrial longevity and better heat dissipation than composite alternatives

the materials and seals in this Copeland sightglass kit are compatible with mineral

Does this unit require a separate power supply from the air handler

Reznor 123973 Limit Switch Refrigerant as an OEM-spec partThe Reznor 123973 Limit Switch is a critical OEM replacement component engineered for precise thermal regulation within Reznor unit heaters and furnace systems. This 105 160F AUTO Fan & Limit Control functions as a high limit safety device, automatically cycling the blower fan and interrupting the burner circuit if internal plenum temperatures exceed safe operating parameters. Designed for professional HVAC equipment repair, the 123973 ensures proper