ZSR104 | Zone Pump Relay 4 Zone | Caleffi Product Type_External Wired Steam Trap Float and Thermostatic

Steam Trap Float and Thermostatic 1-1/2" FT-15 15PSI Cast Iron NPT

this T-handle knob offers excellent corrosion resistance and strength

this clamp features a compact design

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It utilizes a centrifugal force to draw in air and expel it outward

ZSR104 | Zone Pump Relay 4 Zone | Caleffi Product Type_External Wired Steam Trap Float and ThermostaticCaleffi 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