BOILER BOOK CFC-E FEATURES AND BENEFITS
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linear load tracking, reduced on-off cycling, and reduced electrical consumption.
Figure 2. Premix Burner Technology
Designed For Heating Applications
The pressure vessel is designed for 125 psig MAWP (Maximum Allowable Working Pressure) and is
constructed of durable ASTM Grade Steel and Stainless Steel materials. The true counter flow heat
exchanger design equates to optimal heat transfer. The design also prevents hot spots, does not
require a minimum flow for thermal shock protection, and does not require a minimum return water
temperature. In fact, the design carries a 20-year thermal shock warranty.
Because of its design characteristics, the Model CFC-E is well suited for applications utilizing indoor/
outdoor reset controls, radiant floor heating, snow melt systems, ground source heat pump systems
and systems that utilize variable speed circulating pumps. It may also be employed in standard hot
water systems that require higher heated water at colder outdoor temperatures but then require lower
temperatures during warmer heating days, realizing fuel efficiency savings over traditional hot water
boilers.
While the design does not lend itself to the direct supply of potable water, a separate storage tank
with an internal heat exchanger can be employed, as the onboard controls permit domestic water
programming. Therefore, the Model CFC-E can service both hydronic heating and domestic water
source heating.
Dual Return
Two return connections - high and low temperature - allow condensing performance with as little as
10% return water at condensing temperature.
SCAQMD Certified
The CFC-E is certified by the South Coast Air Quality Management District.
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