Reliance 30 gal 30000 BTU Natural Gas/Propane Mobile Home Water Heater

Sealed-Combustion model, Glass-lined tank, premium grade anode rod protects against tank corrosion, 2 Non-CFC foam insulation, factory installed temperature and pressure (T&P) relief valve, factory installed 3/4 inch PEX polymer-lined nipples allow easy water connection hook-up, heater application typically for installation within an interior (inside) closet with hole in floor that allows outside air supply for fuel combustion, air-supply piping not provided by factory, in addition, Roof Jack vent kit Ace 4736756 (sold separately, but required accessory), Ace 4736756 is required whenever selling either Ace 4588604 or 4588661, vent piping connects directly on top of heater without use of drafthood, must be installed in accordance with instructions furnished with the heater, No other Roof Jack Kits are approved for installation with this heater, 18 Diameter, 58 to Top of Heater Jacket, No Draft Hood Venting Allowed, .59 Uniform Energy Factor (UED), READ and Understand INSTRUCTION MANUAL BEFORE INSTALLATION, Qualified and trained professional installer of mobile-housing heaters highly recommended, NOTE: Contact Local Gas Utility Company provider for installations above 5,400 feet