consider a shorter probe model

the 20269903 limit switch likely needs replacement

you know that a reliable ignition sequence is the backbone of any furnace or rooftop unit

5-inch round decorative wall plate is specifically engineered for a flush fit with Honeywell Home T87K

Functional Devices RIBMN2401D Relay consider a shorter probe modelThe Functional Devices RIBMN2401D is a professional grade DPDT enclosed relay designed for demanding building automation and HVAC control applications. This pilot duty device features a 24VAC DC coil, providing versatile input compatibility for digital controllers and 24V transformers. With a 10 Amp contact rating at 120VAC, this double pole double throw relay allows for the simultaneous switching of two independent circuits, making it ideal for