Description
Product Overview
The Williams Comfort Products Pilot Assembly is a factory‑approved OEM part (Part # P501617) engineered to replace the pilot module in most residential fireplaces. Constructed from heat‑resistant metal, the unit measures 5.51 x 3.98 x 1.3 inches and weighs just 4.3 ounces, offering a compact footprint without sacrificing durability. Designed for straightforward installation, it integrates seamlessly with existing gas lines and igniters, delivering consistent flame ignition and enhanced safety.
Usage
This pilot assembly is intended for use in standard home fireplaces and wood‑burning inserts that require a reliable pilot flame. Ideal for homeowners, property managers, and HVAC technicians, the part functions in any climate where a steady flame is essential for safe operation. Installation does not require batteries, making it suitable for both new installations and replacement of worn components.

Why Choose Us
Choosing the Williams Comfort Products OEM pilot assembly guarantees compatibility with original manufacturer specifications, reducing the risk of leaks or malfunction. Each unit is backed by a manufacturers warranty, reflecting confidence in material quality and workmanship. Because it is an OEM part, it matches the exact tolerances of the original component, ensuring a longer service life compared with generic alternatives.
Key Features
- Exact OEM replacement – matches original specifications for a perfect fit.
- Heat‑resistant metal construction for durability in high‑temperature environments.
- Compact dimensions (5.51 x 3.98 x 1.3 in) simplify installation in tight spaces.
- No batteries required – operates directly from the fireplace gas supply.
- Manufacturer warranty provides peace of mind and reliable performance.
FAQ
Is this pilot assembly compatible with all fireplace models?
The unit is designed to fit most standard residential fireplaces that use a pilot assembly. Verify the model number of your existing part (P501617) to ensure compatibility.
Do I need any special tools to install the assembly?
Installation requires basic hand tools such as a wrench and screwdriver. Detailed instructions are included, and no specialized equipment is necessary.
Can I install the pilot assembly myself?
Yes, the assembly is designed for DIY installation. However, if you are unfamiliar with gas connections, it is advisable to consult a licensed technician.
What warranty does Williams Comfort Products offer?
The pilot assembly comes with a manufacturer’s warranty that covers defects in materials and workmanship for a specified period. Refer to the warranty card included with the product for details.
Will this part affect the efficiency of my fireplace?
Because it is an exact OEM replacement, the pilot assembly maintains the original efficiency and safety standards of your fireplace.




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