Heatmaster Vent Free Firebox, 36" | HVF36BB Spa On-water surface designed for relaxed

On-water surface designed for relaxed lounging and sunbathing

Nature2 Professional G systems are designed for robust mineral sanitation support

Supports safe lifting and removal

A backup ring helps maintain correct O-ring compression under pressure

Heatmaster Vent Free Firebox, 36" | HVF36BB Spa On-water surface designed for relaxedHeatmaster HVF36BB 36 Inch Vent Free Firebox The Heatmaster HVF36BB is a 36 inch vent free firebox built for compatible vent free gas log installations. It features a traditional masonry firebrick pattern, black mesh screen, heat deflection hood, and gas line knockouts on both sides for easier installation access. Ideal For: 36 inch vent free fireplace setups where a traditional firebox look is preferred. 36 inch vent free firebox Front clean face