Stainless Steel Rain Cap for 12L (3.2 GPM) Tankless Water Heater $32.50 1 M Stainless Steel Direct Vent Pipe Extension $215.25 Outlet Temperature Sensor (AQE12) $12.50 Mirco Switch (16L) $11.95 LED Display (Premium) $22.50 Fan Motor (Premium) $28.50 Triac B (AQE12) $25.00 AQUAH Premium Heat Exchanger B (JSG28-K) $85.00 AQUAH 27 KW Electric Tankless Water Heater $299.95 Water Flow Sensor (AQE12) $24.95 Control Board (AQE12) $24.95 Outlet Temperature Sensor (Premium) $12.50 Output Temperature Sensor (Premium) $9.95 Water Flow Sensor (Premium, copper) $26.78 Water Oulet (AQE12) $12.00 AQUAH 24 KW Electric Tankless Water Heater $279.75 Water Pressure Relief Valve $10.95 Blower Switch (Premium) $18.50 Triac A (AQE12) $27.00 Control Box (Premium) $56.95 AQE12 Heating Element $79.50 AQUAH Premium Heat Exchanger A (JSG28-K) $85.00 AQUAH PREMIUM DIRECT VENT PROPANE GAS TANKLESS WATER HEATER $389.95