Comprehensive Hardware: Includes the quad ring

The Carrier HH18HA138 is a professional-grade HVAC high-limit switch engineered for precision thermal protection in Carrier

and 3" lengths to ensure proper immersion depth across multiple nominal pipe sizes

this belt eliminates the need for matching numbers

contactors

Reznor 113275 Screw Comprehensive Hardware: Includes the quadThe Reznor 113275 Screw is a critical OEM replacement fastener engineered specifically for high stress applications within Reznor unit heaters. This #10 32 x 1 2" slotted hex screw is designed to offer maximum torque retention in environments subject to constant thermal expansion and mechanical vibration. Unlike generic hardware, the 113275 is manufactured with a corrosion resistant coating that prevents seizing in the high heat zones of the burner