This kit uses Buna-N (Nitrile)

The Johnson Controls T-4756-1738 is a durable beige plastic thermostat cover and faceplate designed specifically for the T-4000 series pneumatic room thermostats

In Nordyne systems

While 18/2 is perfect for basic heating or cooling controls and doorbells

specifically focusing on the internal piston and seal assemblies

York S1-026-23232-712 Wheel Els PW 17895 This kit uses Buna-N (Nitrile)The York S1 026 23232 712 Blower Wheel is a high performance, double inlet centrifugal component designed specifically for residential and light commercial air handlers. This OEM York replacement part features a 9 inch diameter and a 7 inch width, engineered to maintain precise airflow balance within HVAC systems. It is built for a 1 2 inch shaft diameter and operates with counter clockwise (CCW) rotation, as viewed from the hub end. Constructed from