A dual fired combi the SFC provides not only high-efficiency space heating, but unrivaled domestic hot water efficiency too. We call this ‘Double HE’. The secret lies in our patented two-in-one heat exchanger that ensures optimal heat transfer and minimal heat loss.
Flue gases are condensed with both space heating and domestic hot water production ensuring heat extraction to the fullest extent possible.
The SFC assures you unrivaled high-efficiency and economical operation year in, year out.
Features
2 independent copper waterways embedded in a cast aluminum block
A total of 5 moving parts – Unparalleled in the industry (Fan, Pump, Bypass Valve, Gas Valve & Damper)
New illuminated touchscreen control display panel
Contractor friendly, reduced internal parts, easy to install, maintain and service.
30-year track record, 2 million installations worldwide
Innovative state of the art electronic control
Compatible with standard Propylene Glycol
Built-in bypass valve to prevent temperature fluctuations (SFC 199)
No need for a 3-way valve or secondary DHW plate heat exchanger
Will accept a 0-10 VDC signal
95% AFUE with full ASME-rated heat exchanger
Packaged with a high-efficiency variable speed pump (ECM)
Outdoor reset technology increases efficiency by lowering the water temperature automatically
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