Excellent value for money, the SFB offers an economical solution to all your home heating needs without sacrificing reliability. DHW demand priority standard on all SFB models. Pair with our IWT Interstor indirect tanks for a complete home heating system.
Features
Copper waterways embedded in a cast aluminum block
A total of 4 moving parts – (Fan, Pump, Gas Valve, and Damper)
Illuminated touchscreen control display panel
Contractor friendly: Standardized connection sizes and universal internal parts
2” vent lengths up to 65’
2” vent adapter
Standard pipe connections
Extended pipe fittings
Will accept a 0-10 VDC signal from external control system
Innovative state of the art electronic control
Compatible with standard Propylene Glycol
Up to 96% AFUE with full ASME-rated heat exchanger
Wireless cascade up to 8 units
Packaged with a high efficiency variable speed pump (ECM) for increased efficiency
Outdoor reset technology increases efficiency by lowering the water temperature automatically.
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