HS007 3 Speed 1/25 Cast Iron w/ Check Valve 100074366 1 1/2" in Insulation depth

1 1/2" in Insulation depth

a primary pump and has LED indicators to provide functional status and easy system troubleshooting

4" OC-234SF

The ZSR103 is a multi-zone pump and boiler operating control for multiple zone hydronic heating or cooling systems

HS007 3 Speed 1/25 Cast Iron w/ Check Valve 100074366 1 1/2" in Insulation depthThe HS007 combines cast iron durability with advanced engineering for superior hydronic system performance. Featuring selectable 3 speed operation, this pump minimizes energy consumption while maintaining whisper quiet operation. The removable check valve eliminates thermal siphoning risks, while Class H insulation withstands demanding applications. Built in motor safeguards protect against premature wear, and the comprehensive 3 year warranty