What is the difference between 009G0101 and 009G010100

the SFRLY90290 excels in tight control cabinets where 1/4-inch quick connect terminals facilitate efficient wiring

The RIBMU1C is an unenclosed "modular" style relay intended for mounting within a 4-inch wide snap track or a larger control panel enclosure

Does this part fit G40 and G60 series Lennox furnaces

and R8404 primary controls

Rheem-Ruud 47-102473-01 Limit Switch Els PW 17895 What is the difference betweenThe Rheem Ruud 47 102473 01 Limit Switch is a critical safety component designed for precise thermal monitoring within furnace heat exchangers. This SPST N C (Single Pole Single Throw, Normally Closed) switch functions as an automatic reset limit, engineered to interrupt the burner circuit if plenum temperatures exceed safe operating parameters. Featuring a 150F Opening Point and a 130F Closing Point, this high limit control ensures the blower fan has