Central Boiler 33" Sidearm Heat Exchanger Kit 5600018 w/ 2053 Fittings 3/4" FIP This manifold has 3/4" PEX

This manifold has 3/4" PEX compression fittings each branch (No special tools needed)

Hot Water Bi-Metal Thermometer

They identified problems with dissimilar metals and began using the bronze pump

Pellet & Wood Furnace Replacement Parts

Compatible with Security chimneys

Central Boiler 33" Sidearm Heat Exchanger Kit 5600018 w/ 2053 Fittings 3/4" FIP This manifold has 3/4" PEXProduct Description 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