ZSR104 | Zone Pump Relay 4 Zone | Caleffi Product Type_HUBxSupply Manifold and Return Adapter It boasts a 48Z OPD

It boasts a 48Z OPD (Open Phase Detector) for added protection against motor damage

These ladder locks feature a robust construction made of stainless steel

it provides secure fastening and precise adjustments for various clamping and holding applications

The 50/60 Hertz frequency rating ensures compatibility with most standard electrical systems

1"WC 0-5VDC Terminal Strip [sku] is ideal for measuring pressure in a wide range of industrial settings

ZSR104 | Zone Pump Relay 4 Zone | Caleffi Product Type_HUBxSupply Manifold and Return Adapter It boasts a 48Z OPDCaleffi 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