Specifications include, but are not limited to: TANKLESS WATER WATER HEATER - INDOOR *Furnish Only* INDOOR RATING COMMERCIAL GRADE Brand: State Water Heaters or Equal Model: SCT-1991-N or Equal Minimum BTU: 15,000 Maximum BTU: 199,000 Minimum Gas Pressure: 4.0 Maximum Gas Pressure: 11 UEF: 0.93 Maximum Gallons Per Minute: 10 Gallons Hot and Cold Connections: 3/4" NPT Gas Connection: 3/4" NPT Height: (23" - 23 5/8") Width: (17 3/4" - 18) Depth: (11 1/4" - 12") Warranty: 5 Year Limited Warranty On All Parts; TANKLESS WATER WATER HEATER - OUTDOOR *Furnish Only* OUTDOOR RATING COMMERCIAL GRADE on demand heating Brand: State Water Heaters or Equal Model: SCT-1990-N or Equal Minimum BTU: 15,000 Maximum BTU: 199,000 Minimum Gas Pressure: 4.0 Maximum Gas Pressure: 11 UEF: 0.93 Maximum Gallons Per Minute: 10 Gallons Hot and Cold Connections: 3/4" NPT Gas Connection: 3/4" NPT Dimensions: Height: (23" - 23 5/8") Width: (17 3/4" - 18) Depth: (11 1/4" - 12") Warranty: 5 Year Limited Warranty On All Parts