This direct vent gas fireplace insert is suitable for almost any location. With ease, a professional installer can turn your wood-burning fireplace into a energy efficient gas insert fireplace that will fit effortlessly in the existing hole of your old masonry fireplace providing energy-efficient warmth as well as adding an attractive accent to any room. This range of fireplaces has been created for modern living – no matter what type of home you might have, a direct vent gas fireplace can be easily installed, as long as you have a masonry chimney. Made to give years of useful service, modern innovation combines with proven technology to provide a fireplace that’s a superb investment.

This gas insert fireplace operates at 36,000 BPU/hr input for natural gas and 36,500 BPU/hr for LP gas. With natural gas efficiency of 80% and LP gas of 75%, the Chaska 335S offers long term economy that’s always appealing. Many people find that fireplace inserts using gas can save them a significant amount of money on their fuel bills.

  • 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”
  • Traditional Brick Lining
  • 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%

Installation Manual – Kozy Chaska 335S Gas Insert