Kozy Heat Chaska 34 Gas Insert Type_Grilling Tools The Chaska 25 is actually

The Chaska 25 is actually the second-most-efficient insert in the Kozy Heat lineup behind only the premium Chaska 335S

The Caldera 74148 filter cartridge is a factory-original replacement for select Caldera Aventine® spas

This fuse holder securely houses the 7-amp fuse

Opening the box and starting with the conditioner is the single most common mistake

The cartridge screws directly onto the suction fitting in the floor of the filter well

Kozy Heat Chaska 34 Gas Insert Type_Grilling Tools The Chaska 25 is actuallyThe Kozy Heat Chaska 34 is a slim profile direct vent gas fireplace insert engineered specifically for older masonry fireplaces where deeper inserts simply won't fit. With a modulating 18,500 to 34,000 BTU hr burner, 77% efficiency, just 16 inches of depth, and three media options (log, rock, or glass), the Chaska 34 turns an old wood burning fireplace into a clean, efficient, customizable gas unit in installations that other inserts can't physically