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WebAug 13, 2015 · Typical efficiency range 78% - 83%. Category IV Appliance operates with a positive vent static pressure at temperatures at or below condensing temperatures. Typical efficiency range is over 90%. Confirm the size of the flue that the old boilers were using. If the old boiler had a draft hood, the flue may be oversized when using a power burner. WebSep 1, 1999 · Gas appliances such as condensing boilers that are more than 84% efficient may require special liners to deal with their acidic condensate. Local codes or the appliance manufacturers’ instructions … damages in products liability actions
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WebJun 4, 2003 · November 12, 2008. How do you figure the max run of an appliance vent connector if the connector exceeds 1.5 times the vent connector diameter= max lenght in feet. The code saysmax horizontal … WebBoiler Venting. Single Wall Boiler Venting. 7" Single Wall Stainless; 8" Single Wall Stainless; 9" Single Wall Stainless; 10" Single Wall Stainless; 12" Single Wall Stainless; 14" Single Wall Stainless; 16" Single Wall Stainless; 18" Single Wall Stainless; 20" Single Wall Stainless; Double Wall Boiler Venting. 4" Double Wall Stainless; 5 ... WebMar 29, 2024 · Our stainless chimney liners are primarily used to upgrade and repair existing chimneys. These liner systems are U.L. tested and listed, and if properly … birding groups wisconsin