Regency Catalytic Combustor (051-530)

USD $760.79

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Product Description

This is a genuine Regency Fireplace replacement part.  This replacement Regency catalytic combustor fits a few models of Regency fireplaces and stoves.  This is a genuine Regency replacement part that ships new in original packaging.

Regency Part Number: 051-530

Applicable Models: Regency PRO Series Wood Stoves, including model numbers F3500B; F5100B & F5200B.  Please check part number, as it may work in other Regency wood burning appliances as well.

Description: The Regency Catalyst allows smoke to burn inside the firebox chamber ensuring a longer and cleaner burn.  Unfortunately, catalysts wear out over time and need to be replaced. This combustor assembly measures 3.5″x14″x3″Deep.

Catalytic Combustor functionality

A catalytic combustor is a device used in wood-burning fireplaces and stoves to improve the efficiency of combustion and reduce the amount of pollutants emitted into the atmosphere.

The combustor is made of a ceramic or metal honeycomb-like structure coated with a catalyst, usually made of precious metals such as platinum, palladium, or rhodium. When the smoke from the fire passes through the combustor, the catalyst helps to break down the unburned gases and particles, allowing them to burn more completely.

The result is a hotter and cleaner burning fire, with fewer emissions of carbon monoxide, nitrogen oxides, and particulate matter. This makes the fireplace or stove more efficient, reducing fuel consumption and saving money, while also reducing air pollution and improving indoor air quality.

Catalytic combustors require periodic maintenance, such as cleaning and replacement of the catalyst, to ensure proper functioning.


This genuine Regency replacement catalyst is in stock ready to ship.


Shipping Dimensions

Weight 20 lbs
Dimensions 12 × 12 × 10 in

Replacement parts come with a 90 day warranty unless otherwise stated.

All Gas or Pellet components must be installed by a licensed technician.
All Gas or Pellet component warranty claims must include installation receipt to qualify for warranty.

Please contact Online Store Support with any warranty questions.


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