Caleffi Z46P : 2-Way Valve, 1" G Thread Male Union, 7.5 Cv, 20 psi ΔP, (2) NA16266 Press Fittings, Normally Closed Spring Return Valve Actuator, 24V AC, On/Off Control Signal, (1) SPST 0.4A Auxiliary Switch, 18" Wires

Caleffi Z46P : 2-Way Valve, 1" G Thread Male Union, 7.5 Cv, 20 psi ΔP, (2) NA16266 Press Fittings, Normally Closed Spring Return Valve Actuator, 24V AC, On/Off Control Signal, (1) SPST 0.4A Auxiliary Switch, 18" Wires

The Caleffi Z46P is a 2-way motorized zone valve assembly featuring a 1" G thread male union valve body with (2) NA16266 press fittings and a Z111000 normally closed spring-return actuator. Designed for hydronic heating and cooling systems, this assembly provides dependable on/off control while simplifying installation using press connections.

This unit is UL873, cULus Listed, and CE certified, meeting UL 1995 section 18 standards for air plenums and ducts. The spring-return actuator automatically closes when power is removed, ensuring fail-safe operation. Its integrated SPST auxiliary microswitch provides feedback or control interlock capabilities. With a stainless steel stem, EPDM rubber seals, and durable brass construction, the Z46P delivers long-lasting performance in demanding hydronic environments.

Key Features

• 2-way motorized zone valve with normally closed actuator
• 1" G thread male union connection with (2) NA16266 press fittings
• Spring-return actuator automatically closes when power is removed
• Integrated SPST auxiliary microswitch (0.4A @ 24V AC)
• Stainless steel stem and EPDM seals for dependable operation
• UL, cULus, and CE certified for air plenum and duct applications

Technical Specifications

• Valve Type: 2-Way Straight
• Connection Type: 1" G Thread Male Union with (2) NA16266 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

	Caleffi Z-One Zone Valve Technical Brochure
	Caleffi Z-One Motorized Zone Valve Installation and Commissioning Manual
	Caleffi Z46P Sell Sheet
	Submittal Data