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Posted by cold in boston on February 16, 2005 at 23:02:11:
hello. i have a munchkin 140m feeding water to a trane air handler (4tee-40) with a trane (te4) hot water coil. the system can not raise the temp in the old part of our house (1976) above 67/68 on cold (< 20F) days. the newer part of the house seems to hold heat very well. the folks that installed the air handler came out and said the air handler was sized to satisfy the 78K btu needed. however, the coil was only being fed by 3/4 copper. they indicated the 3/4 could only produce 45K btu and therefore it needed to be switched to 1" to get to a 100K btu. although the arguement seemed to make sense, the hot water coil inlet is only 3/4. does this make sense? thank you.
(munchkin seems to be working fine - it also handles the baseboards in other parts of the house and a super stor. 180 degree output)
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