HVAC Residential Solution


With greater demands being placed on water heater manufacturers for energy efficiency and reduced emissions, a technology solution was required to meet the ENERGY STAR® efficiency requirements: but with the right technology comes features that can differentiate a water heater and sell more product.


The Regal team reviewed the application and selected one of their family of pre-mix combustion blowers for the application. In this case, the FASCO® 4.6 Pre-Mix Combustion Blower was selected. The blower incorporates axial flux motor technology for high efficiency in a rugged cast aluminum blower housing, ensuring dependability. The 4.6 PMCB includes an anti-spark backward curved impeller, sensorless sine drive with PWM command, Serial Box and TECMate Pro compatible electronics, is 100% customer programmable, and also Blak Box® motor technology compatible. Modes of operation include torque/speed control, power profile, constant air flow, and continuous duty.

HVAC Residential Solution

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