Thread: Double wall horizontal pipe for pool heater?
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Brian 162 Brian 162 is online now
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Join Date: Sep 2005
Location: Guelph Ontario
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Up here it was called B-vent. Double wall used in cool environments (attics) or if single wall vent is to close to combustibles. Any hvac supply wholesaler should carry it.
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Old 01-22-2026, 06:32 PM
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