www.desatech.com104415-01M 35SPECIFICATIONSThermostat-Controlled Models18" 24" 30"Btu (Variable) 16,000/26,000 20,000/33,000 21,500/36,000Type Gas Propane/LP Natural Propane/LP Natural Propane/LP NaturalIgnition Piezo Piezo Piezo Piezo Piezo PiezoManifold Pressure 7.9" W.C. 3.4" W.C. 7.9" W.C. 3.4" W.C. 7.9" W.C. 3.4" W.C.Inlet Gas Pressure (in. of water)Maximum 14" 10.5" 14" 10.5" 14" 10.5"Minimum* 11" 5" 11" 5" 11" 5"Shipping Weight 26 lbs. 30 lbs. 34 lbs.* For purpose of input adjustmentVariable Manually-Controlled Models18" 24" 30"Btu (Variable) 16,000/26,000 20,000/33,000 21,500/36,000Type Gas Propane/LP Natural Propane/LP Natural Propane/LP NaturalIgnition Piezo Piezo Piezo Piezo Piezo PiezoManifold Pressure 7.9" W.C. 3.4" W.C. 7.9" W.C. 3.4" W.C. 7.9" W.C. 3.4" W.C.Inlet Gas Pressure (in. of water)Maximum 14" 10.5" 14" 10.5" 14" 10.5"Minimum* 11" 5" 11" 5" 11" 5"Shipping Weight 26 lbs. 30 lbs. 34 lbs.* For purpose of input adjustmentRemote-Ready Models18" 24" 30"Btu (Variable) 16,000/26,000 20,000/33,000 21,500/36,000Type Gas Propane/LP Natural Propane/LP Natural Propane/LP NaturalIgnition Piezo Piezo Piezo Piezo Piezo PiezoManifold Pressure 7.9" W.C. 3.4" W.C. 7.9" W.C. 3.4" W.C. 7.9" W.C. 3.4" W.C.Inlet Gas Pressure (in. of water)Maximum 14" 10.5" 14" 10.5" 14" 10.5"Minimum* 11" 5" 11" 5" 11" 5"Shipping Weight 32 lbs. 34 lbs. 36 lbs.* For purpose of input adjustment