1 M Stainless Steel Direct Vent Pipe Extension $71.75 Stainless Steel Rain Cap for 12L (3.2 GPM) Tankless Water Heater $32.50 Stainless Steel Rain Cap for 10L (2.7 GPM) Tankless Water Heater $32.50 AQUAH PARAMOUNT DIRECT VENT PROPANE GAS TANKLESS WATER HEATER $409.95 90* Co-Axial Stainless Steel Direct Vent Pipe Elbow $34.95 Metric BSP G 1/2" Female to NPT 1/2" Male Pipe Coupling Coupler $12.50 AQUAH 10L (2.65 GPM) Outdoor Propane Gas Tankless Water Heater $209.99 Stainless Steel Rain Cap for 6L (1.6 GPM) Tankless Water Heater $32.50 AQUAH 10L (2.65 GPM) Liquid Propane Gas Tankless Water Heater $199.99 AQUAH PREMIUM DIRECT VENT PROPANE GAS TANKLESS WATER HEATER $389.95