We are offering our customers a wide range of Gas Water Heater, which are available following Specifications :- Model No.: JSD12-20-10 Rated input: 12KW-20KW Rated hot water output: 6L/min-10L/min Rated gas pressure: 2800 Pa (LPG), 2000 Pa (NG)Water pressure: 0.015-0.8 MPa Ignition way: Automatic impulse ignition with batteries Diameter of gas connector: LPG: 9.5mm; NG: 12-15mm Diameter of cold water connector: G1/2"Diameter of hot water connector: G1/2"Diameter of chimney: 110 mm Product size: 590*340*140mm Packing size: 710*400*205mm Character:1. Summer and winter switch for choice.2. Over-heart protection device. Avoid dry burning.3. Water-gas linked automatic control, easy operation.4. Water pressure stabilizing design.5. 20 minutes cut-off device to avoid accident.6. Water over high pressure protection device.7. Over freezing protection device.8. Super low water pressure starting design.