AQUAH PREMIUM DIRECT VENT NATURAL GAS TANKLESS WATER HEATER $1,559.80 AC Adapter (12L) $32.25 Solenoid (16L) $77.85 Water Pressure Relief Valve $21.90 AC Adapter (16L) $32.25 Water Valve Assembly (16L) $113.90 Water Pressure Relief Valve/Drain Plug (10L) $21.90 On/Off Switch (16L) $17.90 Gas Inlet (10L) $43.50 Output Temperature Sensor (16L) $9.95 Gas Inlet (16L) $17.50 Battery Holder (16L) $19.90 Water Inlet (16L) $9.95 Fan Motor (Plus) $57.00 Water Pressure Relief Valve/Drain Plug (12L) $10.95 Gas Inlet (6L) $14.50 Output Temperature Sensor (6L) $9.95 Gas Inlet/Valve (6L Outdoor) $29.00 AQUAH 12L (3.2 GPM) Natural Gas Tankless Water Heater $219.99 Control Box (Paramount) $63.50 On/Off Switch (12L) $8.95 Control Box (6L) $51.50 AQUAH Paramount Heat Exchanger (JSG32-K) $95.50 Output Temperature Sensor (12L) $9.95 Water Flow Sensor (AQS24) $55.00 Water Oulet (AQS24) $15.00 Outlet Temperature Sensor (Paramount) $12.50 Solenoid (10L) $23.95 Battery Holder (12L) $9.95 Water Flow Sensor/Inlet Assembly $37.50 Diaphragm (6L, Rubber) $8.95 Solenoid (12L) $23.95 Outlet Temperature Sensor (AQE18) $12.50 Solenoid (6L) $23.95