Infratech Comfort 2 Zone Analog Solid State Controller w/ Digital Timer d183 Because they do not draw

Because they do not draw your already-heated room air to support combustion

Unit Shipping Weight 298 lbs

Millivolt ignition - standing pilot

Single Piston Actuator: The Whisper Lift® II PRO operates by using a single piston actuator in an enclosed system for completely safe operation with virtually zero wear and tear

Infratech Comfort 2 Zone Analog Solid State Controller w/ Digital Timer d183 Because they do not drawInfratechs Solid State Control Packages are designed to provide efficient operation for spaces that range from upscale residences to large scale commercial properties with multiple heating zones. Energy efficiency including timer functions, control versatility, and ease of use. The ability to adjust the heating intensity, to achieve the ideal comfort for your space. Zone Heating the capability to control one or more heaters to heat specified target