this auxiliary block is designed to snap directly onto standard Copeland 90A contactors and is the verified successor to the older 912-0001-17 series

While that part is discontinued

What are the symptoms of a failing gas pressure regulator in a Modine heater

including wood and coal

the Wayne 31812-003 Ignitor is a critical 12V DC component engineered for constant-duty performance

United Electric 24-011 Pressure Switch 320788-703 this auxiliary block is designedThe United Electric 24 011 is a robust Delta Pro differential pressure switch engineered for precision in demanding HVACR and light industrial environments. Utilizing a force balanced diaphragm design, this unit provides exceptional vibration resistance and repeatability within 1% of the full scale range. With an adjustable range of 1 to 9 PSID, technicians can easily fine tune set points under pressure using the external, multi turn stainless steel