Central Boiler Water-to-Water Sidearm Heat Exchanger & Fittings Kit

To be installed on existing domestic water heater for thermal circulating heat transfer. Side ports and end ports are 3/4" FIP. p/n Description 5600018 Water-to-Water Heat Exchanger, 33" 2053 Fittings Kit

Fittings Kit can be sold separately. eBay item number: 142354594973

Side Arm exchanger can be sold separately, eBay item number: 143069666291