About this itemDirect vent propane heater produces safe, clean, economical energy, featuring 17,000 BTU indoor natural gas units; Approved for use in mobile or modular homesSafety pilot with built-in pressure regulator completely stops the flow of gas in the event the pilot is extinguished; For exclusive use with liquid propane onlyComplete kit includes heat shield, vent pipe, air intake pipe, flashing, cap, and connecting rod; Adjusts to fit walls from 4.5 to 10 inches thick with no complicated venting to purchase or installSealed burn system with Piezo lighting for quick starts is suited for bedrooms and living spaces; Stainless steel ported burner provides silent on-and-off operation that heats up to 570 square feetAutomatic shut-off space heater with enhanced safety features; Propane wall heater dimensions are 27.36 long, 9.75 inches wide, and 20 inches tall; Weighs 60 pounds