Heatmaster Thermostatically Controlled Blower, for HVF Builder Fireboxes | HFB-BBB GRFC Concrete This helps protect internal drive

This helps protect internal drive components

plus brackets inside for routing gas or electrical lines cleanly and safely

gas connection requirements

It serves to suppress vortexing and maintain safe

Heatmaster Thermostatically Controlled Blower, for HVF Builder Fireboxes | HFB-BBB GRFC Concrete This helps protect internal driveHeatmaster HFB BBB Thermostatically Controlled Blower for HVF Builder Fireboxes The Heatmaster HFB BBB is a thermostatically controlled blower designed for compatible HVF Builder vent free fireboxes. It helps circulate warm air from the firebox area for improved comfort and heat distribution. Ideal For: compatible Heatmaster HVF Builder fireboxes that support blower installation. Thermostatically controlled blower Designed for HVF Builder fireboxes