Duda EnergyHX1210:M34 B3-12A 10 Plate Stainless Steel Heat Exchanger with 3/4" Male NPT Ports Copper Brazed, 1.2" Height, 2.9" Width, 7.5" Length

Duda Energy HX1210:M34 B3-12A 10 Plate Stainless Steel Heat Exchanger with 3/4" Male NPT Ports Copper Brazed, 1.2" Height, 2.9" Width, 7.5" Length

VEVOR Hot Water Recirculating Pump, 93W 110V Water Circulator Pump, Automatic Start Circulating Pump NPT 3/4" w/Brass Fittings, Stainless Steel Head, 3 Speed Control for Electric Water Heater System

WiseWater 110V Circulation Pump, 130W 13 GPM Hot Water Recirculating Pump, 3 Speed Switchable Circulator Pump with 1'' FNPT Flanges for Boiler, Solar Heater and Hydronic Radiant Heating, Red