Triac B (AQE12) $25.00 Water Pressure Relief Valve $10.95 AQUAH PARAMOUNT DIRECT VENT PROPANE GAS TANKLESS WATER HEATER $409.95 Triac A (AQE12) $27.00 Outlet Temperature Sensor (AQE12) $12.50 Water Flow Sensor (AQE12) $24.95 AQUAH 10L (2.65 GPM) Liquid Propane Gas Tankless Water Heater $199.99 AQUAH 10L (2.65 GPM) Outdoor Propane Gas Tankless Water Heater $209.99 AQUAH PREMIUM DIRECT VENT PROPANE GAS TANKLESS WATER HEATER $389.95 Water Oulet (AQE12) $12.00 AQUAH 6L Portable Outdoor Liquid Propane Tankless Water Heater $89.00 AQUAH 16L (4.23 GPM) Propane Gas Tankless Water Heater $299.95 Control Board (AQE12) $24.95 AQUAH 12L (3.2 GPM) Liquid Propane Gas Tankless Water Heater $219.00 AQUAH 12L (3.2 GPM) Outdoor Propane Gas Tankless Water He $229.00 AQE12 Heating Element $79.50 Water Pressure Relief Valve $10.95