As a general purpose limit switch

ensuring compatibility with various HVAC control signals

making it a reliable choice for field replacements in condensers and heat pumps

the 103256 is built to withstand the thermal cycling typical of commercial and industrial heating applications

The Reznor 210765 Nozzle Temperature Switch is a critical genuine OEM replacement part specifically calibrated for high-performance waste oil heaters and unit heaters

McDonnell & Miller 347100 Strainer Basket Assembly Els PW 17895 As a general purpose limitAs an HVAC veteran, you know that a clogged feeder is the fastest way to a dry firing boiler. The McDonnell & Miller 347100 Strainer Basket Assembly (Model SA101 38) is the exact OEM specifies for maintaining flow integrity in 47, 51, and 101 A Series boiler water feeders. This assembly features a precision 2 3 8 inch strainer length and rugged stainless steel construction to trap scale and sediment before they reach the critical feed valve cartridge.