HS007 3 Speed 1/25 Cast Iron w/ Check Valve 100224103 this innovative valve combines multiple

this innovative valve combines multiple components into a single compact assembly

troubleshooting gas flow issues

Item #11: SH-07 & SH-10 / Item#3: SH-12

Minimum 18” long adjacent pipe required for full adjustment

HS007 3 Speed 1/25 Cast Iron w/ Check Valve 100224103 this innovative valve combines multipleThe 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