Description
The Williams Comfort Products P500118 is a 300°F limit switch engineered as a direct OEM replacement for compatible Williams Comfort Products heating units. Limit switches are a critical safety component in gas and hydronic heating systems, automatically interrupting the circuit when temperatures exceed the rated threshold — protecting heat exchangers, burner assemblies, and connected equipment from damage caused by overheating.
Key Features
- 300°F rated limit switch for high-temperature cutoff protection
- Direct OEM replacement part for Williams Comfort Products heaters
- Automatically opens circuit upon reaching set-point temperature
- Helps prevent equipment damage from overheating conditions
- Designed for reliable, long-term performance in demanding HVAC environments
- SKU: P500118
Application
This limit switch is intended for use in Williams Comfort Products heating equipment where a 300°F safety cutout is required. It is commonly used in wall furnaces, unit heaters, and related heating appliances to ensure safe operation by shutting down the burner or blower circuit if temperatures rise beyond the safe operating range.
Why Choose OEM Replacement Parts?
Using genuine OEM-specified components like the P500118 ensures proper fit, function, and safety compliance. Aftermarket substitutes may not meet the original equipment specifications, potentially compromising system safety and warranty coverage.







Reviews
There are no reviews yet.