Honeywell HPSR104 Hydronic Four Zone 120V Pump Zoning Panel

HPSR104 Honeywell 4 Zone, 120V Switching Relay Zoning Panel Zoning is an ideal way to help your customers maximize comfort while enjoying energy savings. Honeywell’s Hydronic Zoning Panels feature simplified setup and reduced wiring for quick installation. Replaces Caleffi ZSR104, Taco SR504.