serving as the central circuit board for heavy-duty communication between the thermostat and mechanical components

refrigeration connections

Using a multimeter set to the lowest resistance (Ohms) setting

Can I reuse the old spacer

Non-OEM protectors often lack the exact trip characteristics required for specific Copeland motor designs

Reznor 270125 Tube Coupler 326058-755 serving as the central circuitThe Reznor 270125 Tube Coupler is a precision engineered 4 inch stainless steel radiant heater coupling designed for high temperature durability and structural integrity in Reznor heating systems. This component serves as a critical tube to tube connector, facilitating a secure, leak proof mechanical joint between radiant tube sections. Constructed from 430 grade stainless steel, this industrial HVAC coupler resists oxidation and thermal expansion