Power Gas Water Heaters - Heavy Commercial Use: Multi-Flue Commercial Power Gas Water HeaterFan-assisted burners give Bock Power Gas water heaters increased recovery rates, clean combustion and higher efficiencies.
Power Gas Water Heaters - Residential / Light Commercial Use: Single Flue. Residential/Light Commercial Gas-Fired Water Heaters. Fan-assisted burners give Bock Power Gas water heaters increased recovery rates, clean combustion and higher efficiencies.
Atmospheric Gas Water Heaters - Light Commercial Use: Single Flue With an electronic damper that decreases standby heat loss and a low voltage operating control, Bock whisper-quiet Atmospheric Gas water heaters provide you with lower operating costs.