AQUAH 16L (4.23 GPM) Propane Gas Tankless Water Heater $599.90 Water Inlet (10L) $19.90 Solenoid (16L) $51.90 Gas Inlet/Valve (6L Outdoor) $29.00 Gas Inlet (16L) $35.00 Triacs (AQS24) $58.00 AQUAH Paramount Heat Exchanger (JSG32-K) $191.00 Outlet Temperature Sensor (Plus) $25.00 Outlet Temperature Sensor (Paramount) $37.50 Fan Motor (Premium) *** $57.00 Control Box (16L) $89.85 Water Valve Assembly (10L) $159.80 Diaphragm (16L, Silicon Gel) $63.80 Water Inlet (16L) $19.90 Water Pressure Relief Valve/Drain Plug (16L) $21.90 Gas Inlet (10L) $29.00 Control Box (Plus) *** $156.75 Water Valve Assembly (16L) $113.90 Blower Switch (Premium) $55.50 Control Board (AQE12) $49.90 AQE12 Heating Element $79.50 Mirco Switch (10L) $23.90 Water Flow Sensor (AQE12) $49.90 Output Temperature Sensor (16L) $19.90 Outlet Temperature Sensor (AQE18) $37.50 Water Oulet (AQS24) $30.00 16L Heat Exchanger (JSD32-K) $159.00 Outlet Temperature Sensor (AQE12) $12.50 Blower Switch (Plus) $55.50 Control Box (10L) *** $89.85 Water Flow Sensor (AQE18) *** $88.50 Solenoid (10L) $23.95 Solenoid (6L Outdoor) $47.90 Battery Holder (10L) $29.85 AC Adapter (16L) $21.50 Water Flow Sensor (AQS24) $55.00 LED Display (Premium) $90.00 Water Pressure Relief Valve/Drain Plug (10L) $32.85 Diaphragm (10L, Silicon Gel) $37.50 Control Board (AQS24) $44.00 Output Temperature Sensor (Paramount) $29.85 Output Temperature Sensor (Premium) $19.90 Battery Holder (6L) $19.00 AQUAH Premium Heat Exchanger A (JSG28-K) $170.00 Triac B (AQE12) $25.00 10L Heat Exchanger (JSD20-K) $119.74 AC Adapter (10L) $21.50 Triac B (AQE18) $52.00 Water Pressure Relief Valve $21.90 AQE24 Heating Element $270.00 Heat Exchanger (Plus) $64.75 6L Heat Exchanger (outdoor) $29.00 On/Off Switch (16L) $17.90 Triac A (AQE12) $54.00 Water Oulet (AQE12) $24.00 Water Pressure Relief Valve $21.90 Outlet Temperature Sensor (Premium) $25.00 On/Off Switch (6L Outdoor) $8.95 Fan Motor (Plus) $57.00 Triac A (AQE18) $87.00 Water Flow Sensor (Premium, copper) $80.34 Water Oulet (AQE18) $30.00 Control Board (AQS27) $22.00 Triacs (AQS27) $58.00 Water Flow Sensor (Plus) $80.34 LED Display (Plus) $45.00 Control Box (Premium) $170.85 Water Pressure Relief Valve $10.95 Battery Holder (16L) $19.90 AQE18 Heating Element $210.00 AQUAH Premium Heat Exchanger B (JSG28-K) $170.00 LED Display (Paramount) $58.00 Control Box (Paramount) $190.50 Output Temperature Sensor (Plus) $19.90 Outlet Temperature Sensor (AQE18) $25.00 Output Temperature Sensor (10L) $9.95 Water Pressure Relief Valve $10.95 Outlet Temperature Sensor $12.50 Mirco Switch (16L) $11.95 Control Board (AQE18) $22.00 AQUAH 12L (3.2 GPM) Liquid Propane Gas Tankless Water Heater $219.00