http://tanklesswaterheatertoday.com/5-6-inch-galvinized-double-wall-type-b-bosch-tankless-water-heater-vent-tube/ everything you need to know about tankless water heaters Tue, 13 Dec 2011 11:13:23 +0000 hourly 1 http://wordpress.org/?v=3.2.1 http://tanklesswaterheatertoday.com/5-6-inch-galvinized-double-wall-type-b-bosch-tankless-water-heater-vent-tube/comment-page-1/#comment-2072 GENE F Sat, 01 May 2010 14:56:30 +0000 http://tanklesswaterheatertoday.com/5-6-inch-galvinized-double-wall-type-b-bosch-tankless-water-heater-vent-tube/#comment-2072 Try your local P&H supply. Ask for Simpson Duravent, or Metalbestos brand rv type B-vent. Be sure of the size because sometimes Aquastar/Bosch have odd sizing. Try your local P&H supply. Ask for Simpson Duravent, or Metalbestos brand rv type B-vent. Be sure of the size because sometimes Aquastar/Bosch have odd sizing.

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