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.