and one normally closed

the 51W15 furnace door switch prevents accidental exposure to high-voltage components and moving parts during routine filter changes or diagnostic testing

While this is a Rheem-Ruud OEM part

The Copeland 950-0259-00 is an industrial-grade 115V condenser fan motor designed for high-duty refrigeration and air conditioning applications

Lochinvar & A.O. Smith 100110060 Heating Element 340155-7024 and one normally closedThe Lochinvar & A. O. Smith 100110060 Heating Element is a heavy duty, 240V 4000W Sandhog replacement designed for demanding residential and light commercial water heating applications. Built with high grade Incoloy nickel alloy sheathing, this low watt density heating element is engineered to resist sediment build up and withstand "dry fire" conditions better than standard copper alternatives. The 10. 7 inch screw in element features a 1 inch NPSM