ZSR104 | Zone Pump Relay 4 Zone | Caleffi Product Type_HUBxSupply Manifold and Return Adapter These ladder locks feature a

These ladder locks feature a robust construction made of stainless steel

opening to allow flow when energized

including: * Charging and servicing air conditioning systems * Refrigeration system diagnostics * Leak detection and repairs * Refrigerant recovery and reclamation Our trusted HVAC store offers the best prices and fast shipping for your HVAC and industrial supply needs

1/4" - 20 Thread

Shop now at our HVAC supply store for the best prices and fast shipping on your Jergens Heavy-Duty Detent Pins and all your industrial supply needs

ZSR104 | Zone Pump Relay 4 Zone | Caleffi Product Type_HUBxSupply Manifold and Return Adapter These ladder locks feature aCaleffi Zone Pump Relay (ZSR104)The Caleffi ZSR104 Zone Pump Relay is designed to control up to four (4) zone pumps. Each zone can be independently controlled, allowing for maximum flexibility and energy efficiency. The ZSR104 is ideal for use in hydronic heating and cooling systems. **Key Features:** * Controls up to four (4) zone pumps * Independent zone control for flexibility and energy efficiency * Suitable for hydronic heating and cooling