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Combo Boiler (8 Posts)
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Combo Boiler
Hello All,
I have someone looking for a High efficiency heating boiler with a stand alone DHW heat exchanger in it (like and instaneous/on demand). I know someone out there has one but I don't know who. I would prefer to go with a Knight and a Indirect but they feel this circumstance requires this "Combo" boiler.
Anyone have any names?
A warm floor warms my heart!
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combo boiler
check out triangle tube prestige excellence 95% AFUE gas boiler and indirect water heater all in one unit.
110,000 btu boiler with 14 gallon stainless steel indirect water heater that delivers 180 GPH of domestic hot water.
stainless steel heat exchanger + ss indirect water heater + vents with PVC pipe + wall hung boiler + 95% AFUE + outdoor reset control + domestic hot water priority
great unit I have one in my house.
email me if you want a price eckrobert@rcn.com
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Thanks Bob,
that would be perfect but I shoould have mentioned that I need about 190,000 BTU/h output...
A warm floor warms my heart!
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190K
That's the heat load? Big house.
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Yep
7,000 square feet!
A warm floor warms my heart!
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Won't find one
Most combi's tap out at 160,000 or less
Navien may be the biggist when it arrives at 199,000 but with a 7,000 sq ft house I doubt any combi boiler can meet the DHW demand with gpm limitations ranging from 2 to 5 with a 70 degree rise.
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7000 sq. ft house
but what's the peak demand for hot water.
At 7000 sq. ft, theres got to be at least one human car wash shower system and a large soaking tub.
No on demand unit in my opinion.
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RUN!
Why do they insist on a Combi/combo unit?
How many bathrooms/showers & appliances that require hot water?
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