Chaska 335S Gas Fireplace Insert

Columbus, OH

Cosmo

Gas Fireplace Insert

A Classic Fireplace, Reimagined.

The Chaska 335S Gas Insert transforms your existing wood-burning fireplace into an efficient, beautiful source of warmth. Designed to fit into an existing masonry fireplace, it combines modern performance with timeless fireside appeal.

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  • Product Features

    Standard Features

    Viewing area: 29 3/8” x 15-13/16”

    36,000 BTU/hr Input NG

    36,500 BTU/hr Input LP

    Ceramic Glass

    Fan Kit

    Co-Linear Air Duct

    Accepts 3” Combustion Air / 3”

    Upper Hood & Lower Grill Exhaust

    Innovative vent connection system

    High/Low Regulator Speed Control with Receptacle

    Assembly Log Set Engineer-designed burner system

    Certified to ANSI Z21.88 Vented Gas Heater


    Efficiencies

    MV

    - ENERGUIDE P.4 NG/LP | 65.74% / 66.63%

    - Steady State NG/LP | 80% / 75%

    - AFUE % NG/LP | 73.8% / 76.2%

    Efficiencies Glossary:

    - P.4 Efficiency (ENERGUIDE) is an efficiency rating more recognized in Canada to measure annual fireplace efficiency.

    - Steady State Efficiency is a measure of how efficiently your fireplace converts fuel to heat once it is warmed up and operating at a steady temperature.

    - Annual Fuel Utilization Efficiency (AFUE) is a measurement of the fireplace’s ability to convert fuel to heat over a longer period of time including the cycling on and off time period.


    Required Design Features

    Screen Front

    For options and pictures, look at the Chaska brochure under the Resources tab. 

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  • Technical Manuals

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