Caleffi Z54P : 2-Way Valve, 1" G Thread Male Union, 7.5 Cv, 20 psi ΔP, (2) NA16264 Press Fittings, Normally Closed Spring Return Valve Actuator, 24V AC, On/Off Control Signal, (1) SPST 0.4A Auxiliary Switch, Terminal Block
The Caleffi Z54P is a 2-way motorized zone valve assembly featuring a 1" G thread male union valve body with (2) NA16264 press fittings and a Z151000 normally closed spring-return actuator with screw terminal connections. Designed for hydronic heating and cooling systems, it provides dependable on/off flow control with automatic closure when power is removed for fail-safe operation.
UL873, cULus Listed, and CE certified, this assembly meets UL 1995 section 18 requirements for air plenums and ducts. The actuator includes an integrated SPST auxiliary microswitch for circuit feedback or interlock control. Its brass construction, stainless steel stem, and EPDM seals ensure long service life in demanding hydronic environments.
Key Features
- 2-way motorized zone valve assembly with normally closed actuator
- 1" G thread male union connection with (2) NA16264 press fittings
- Spring-return actuator automatically closes upon power loss
- Screw terminal block for secure wiring connections
- Integrated SPST auxiliary microswitch (0.4A @ 24V AC)
- UL, cULus, and CE certified for plenum and duct applications
Technical Specifications
- Valve Type: 2-Way Straight
- Connection Type: 1" G Thread Male Union with (2) NA16264 Press Fittings
- Maximum Operating Pressure: 300 psi
- Maximum ΔP: 20 psi
- Cv Rating: 7.5 gpm
- Medium Temperature Range: 32–240 °F
- Electric Supply: 24V AC
- Power Consumption: 7 VA (at full capacity)
- Auxiliary Switch Rating: 0.4A @ 24V AC
- Maximum Glycol Concentration: 50%
- Medium: Water, glycol solutions, vapor (max 15 psi)
Datasheets
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Caleffi Z-One Motorized Zone Valve Installation and Commissioning Manual |
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- Valve Pattern:
- 2-Way
- Valve Size:
- 1 Inch
- Connection Type:
- G Thread Male Union
- CV Rating:
- 7.5
- GPM:
- 15 @ 4 psi
- Actuator Type:
- Non Fail-Safe
- Voltage:
- 24VAC
- Control Signal:
- On/Off
- Auxillary Switch:
- Yes
- NEMA 4X Enclosure:
- No
