Shop-made 3-prong fan and limit switch combo replaces several various Intertherm part numbers as listed below. Switch no longer available from the manufacturer so these are made in our shop.
Plate measures 3-1/8" x 3". Switches extend up to 3" behind plate. Wires connect to three spade connectors. Shop-made models with 4 spade connectors also available.
Fan switch is a F110-20F, meaning the fan motor will come on at 110 degrees Fahrenheit and shut off at 90 degrees. This also the replacement for the models that use an F115-20 fan switch. The only difference between the F110-20 and F115-20 is that the fan will come on at 110 degrees Fahrenheit instead of 115 degrees.
The limit switch is a L130-15, meaning the furnace will shut down when the temperature by the heat exchanger reaches 130 degrees Fahrenheit and will reset when the temp drops back to 115 degrees.
The three terminals on the back are labeled F (fan), C (common) and L (limit).
Intertherm 626174 replacement info: The original 626174 combo switch had a 22127 fan switch rated at F115-20F and a 22126 limit switch rated at L130-20F. Used on MAC 1155 & 1165 furnaces. Number 42001 was noted on part. Replaces part # 6261740.
Intertherm 626292 replacement info: The original fan switch is rated at F110-20F and the limit switch is rated at L130-15F. Replaces part # 6262920.
Intertherm 626235 replacement info. Original fan switch is rated at F115-25F and the limit switch is rated at L130-15F. Replaces 6262350.
1 year warranty. Guaranteed to fit and exceeds all safety specs. Normally ships in 2-3 business day. Overnight delivery may not be available so call first.