M.C. Enterprises 35132MC Furnace Limit Switch – Replacement for Atwood RV Furnaces

Protect your RV furnace from overheating with the M.C. Enterprises 35132MC Furnace Limit Switch. This replacement safety switch is designed for use in Atwood Hydro Flame 8500-II and 8900-I series RV furnaces, helping regulate furnace temperature and prevent damage caused by excessive heat.

The limit switch continuously monitors furnace temperature during operation. If the furnace overheats due to restricted airflow or component failure, the switch interrupts the burner circuit, shutting down the furnace to prevent damage to internal components.

If your furnace starts but shuts down shortly after ignition or cycles on and off frequently, a faulty limit switch may be the cause. Replacing the 35132MC limit switch can restore safe and reliable furnace operation.

Key Features

• M.C. Enterprises replacement furnace limit switch
• Designed for Atwood Hydro Flame RV furnaces
• Protects furnace from overheating
• Helps restore proper furnace safety operation
• Durable construction for high-temperature furnace environments
• Direct replacement for worn or failed furnace limit switches

Compatible Furnace Models

The M.C. Enterprises 35132MC Furnace Limit Switch is compatible with the following furnace models.

8500-II Series

• 8516-II
• 8520-II
• 8525-II
• 8531-II
• 8535-II

8900-I Series

• 8940-DC-I
• 8940-AC-I

Always verify your furnace model number before ordering.

What This Part Does

The furnace limit switch is a critical safety component that protects the furnace from overheating.

During furnace operation, the limit switch:

• Monitors internal furnace temperature
• Detects unsafe heat levels
• Shuts down the burner if overheating occurs

This prevents damage to the furnace heat exchanger and other internal components.

Signs Your Furnace Limit Switch May Need Replacement

A faulty limit switch can cause several furnace problems, including:

• RV furnace starts then shuts off quickly
• Furnace burner shuts down unexpectedly
• Furnace short cycles
• Furnace overheating issues
• Furnace blower runs but burner shuts down

Replacing the limit switch can often resolve RV furnace overheating or shutdown problems.

Frequently Asked Questions

What does a furnace limit switch do?
A limit switch monitors furnace temperature and shuts down the burner if the furnace overheats.

What happens when a furnace limit switch fails?
The furnace may shut down during operation, short cycle, or fail to run properly.

Which furnaces use the 35132MC limit switch?
This switch is used in select Atwood Hydro Flame 8500-II and 8900-I series furnaces, including models 8516-II, 8520-II, 8525-II, 8531-II, 8535-II, 8935, and 8940 furnaces.

Why Buy From RVFurnaceGuys.com?

At RVFurnaceGuys.com, we specialize exclusively in RV furnace parts and repair components. Our goal is to help RV owners and technicians diagnose heating problems quickly and find the correct replacement parts to get their furnace running again.