Water Pressure Relief Valve $10.95 Control Box (10L) $29.95 AQUAH 10L (2.65 GPM) Outdoor Propane Gas Tankless Water Heater $209.99 AQUAH PLUS DIRECT VENT NATURAL GAS TANKLESS GAS WATER HEATER $299.95 Gas Inlet (10L) $14.50 AQUAH 6L Portable Outdoor Liquid Propane Tankless Water Heater $89.00 10L Heat Exchanger (JSD20-K) $59.87 AQUAH 16L (4.23 GPM) Propane Gas Tankless Water Heater $299.95 Water Valve Assembly (10L) $39.95 AQUAH 12L (3.2 GPM) Liquid Propane Gas Tankless Water Heater $219.00 Triac B (AQS24) $26.00 Triacs (AQS24) $29.00 On/Off Switch (10L) $8.95 AQUAH PREMIUM DIRECT VENT PROPANE GAS TANKLESS WATER HEATER $389.95 AQUAH PREMIUM DIRECT VENT NATURAL GAS TANKLESS WATER HEATER $389.95 AC Adapter (10L) $10.75 AQUAH Premium Heat Exchanger A (JSG28-K) $85.00 Water Pressure Relief Valve/Drain Plug (10L) $10.95 Control Box (Premium) $56.95 AQUAH 12L (3.2 GPM) Outdoor Propane Gas Tankless Water He $229.00 AQE24 Heating Element $135.00 AQUAH Premium Heat Exchanger B (JSG28-K) $85.00 AQUAH PARAMOUNT DIRECT VENT PROPANE GAS TANKLESS WATER HEATER $409.95 Blower Switch (Premium) $18.50 AQUAH 16L (4.23 GPM) Natural Gas Tankless Water Heater $299.95 Water Pressure Relief Valve $10.95 AQUAH 12L (3.2 GPM) Natural Gas Tankless Water Heater $219.99