230496 Suburban limit switch L225-40 

Suburban furnace limit switch. L225-40F. Looks like a small sequencer. Base of the switch measures 2" x 1-5/8". 2 male spade wire connectors. Also known as part # 20601L299-E9 and 230496.

Models: NT-24, 30, 22, 32, 34M, 34S, NT-34SP, P-30S, NT-45S

The Suburban 230496 Limit Switch (L225‑40F) is an OEM‑style temperature safety switch used in Suburban RV furnaces. It opens the circuit if the furnace reaches unsafe temperatures, preventing overheating and protecting the heat exchanger and internal components. This switch resembles a small sequencer and mounts on a 2" × 1‑5/8" base for easy replacement in compatible Suburban furnace models.

Key Features

• OEM‑style Suburban furnace limit switch

• Temperature rating: L225‑40F

• Opens on high temperature to prevent overheating

• Compact sequencer‑style design

• Two male spade terminals for quick installation

• Durable construction for RV furnace environments

Common Uses

• Suburban RV furnace safety control

• Overheat protection circuits

• Furnace shutdown and temperature‑limit protection