Water Heater Vent Package, Compatible With Rheem And Ruud Commercial Gas Water Heaters From 98, 000 To 180, 000 BTU, Not For Use On LoNOx Water Heaters, For Upgrading Water Heaters From Electric To Gas In Renovations Or New Construction Where No Chimney Exists, Allows Venting Up to 50 Ft Away From A Side Wall, Includes Power Venter With 4 In Inlet And Outlet, Pre-Wired With 40 Ft Of #18-4 Copper Wire (24 V) To Minimize Field Connections, Vibration Isolators And Mounting Hardware RestrictionsNote: Compatible with Rheem-Ruud commercial gas heaters from 98,000 Btu to 400,000 Btu. Not for use on Low Emission water heaters.California Proposition 65 Warning: This product contains a chemical known to the State of California to cause cancer. Commercial Gas Water HeatersFactory-installed T&P valves are AGA/ASME rated.Power Venter KitsAllow venting up to 50 ft. away from a side wall where no chimney exists. Aluminum vent terminal with heat shield allows installation through combustible or noncombustible surfaces. Kit includes vibration isolators.