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FasNSeal is for use with natural gas or propane categories II, III and IV appliances or Type BH gas vent systems, having a max rated operating temperature of 480 Deg F and a max positive pressure of 15 inch water column
Crown, dunkirk and modine termination
FasNSeal can be used on a wide range of applications, including high efficiency gas boilers, furnaces, booster heaters, pool heaters, water heaters, unit heaters or tankless water heaters