631947R Nordyne SPDT toggle switch

Normal stock Item

The Nordyne 631947R is the genuine OEM SPDT (Single-Pole, Double-Throw) On-Off-Fan toggle switch used in Miller and Nordyne furnace control panels. This switch provides reliable manual control of system fan operation and is commonly installed in manufactured-home heating systems.

Built with durable Curvette-style construction, the 631947R delivers long service life, stable electrical performance, and proper fitment in OEM control housings. Ideal for replacing worn, intermittent, or broken switches that cause fan-operation issues.

Key Features

• Genuine Nordyne / Miller OEM SPDT toggle switch

• On-Off-Fan control function

• Curvette-style body for proper panel fit

• Reliable electrical performance for furnace fan circuits

• Direct replacement for worn or failed switches

• Used across multiple Miller/Nordyne furnace families

Common Replacement Symptoms

• Fan won’t turn on manually

• Intermittent fan operation

• Switch feels loose, sticks, or fails to latch

• Physical damage or cracked housing

SPDT toggle switch. Fan-Off-On. 3 terminals on back. Face of switch measures 3/4" x 1.25". Replaces 631947.