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Caleffi Z300637 : 3-Way Valve, 1" Sweat, 7.5 Cv, 20 psi ΔP (Valve Only)

Caleffi

MSRP: $126.00
$83.48
(You save $42.52 )
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SKU:
Z300637
Condition:
New
Availability:
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Caleffi Z300637 : 3-Way Valve, 1" Sweat, 7.5 Cv, 20 psi ΔP (Valve Only)

The Caleffi Z300637 is a Z3 3-way diverting valve body designed for use with motorized zone valves in hydronic heating and cooling systems. It provides two-position on/off control with a diverting flow pattern, allowing for efficient fluid redirection between system zones. Built with a stainless steel stem and EPDM rubber seals and paddle, this valve ensures long-term durability, leak resistance, and smooth operation under demanding conditions.

The Z300637 connects via 1" sweat ends for a secure soldered installation and is fully compatible with Caleffi Z1 actuators. Its heavy-duty brass construction provides corrosion resistance and reliability, making it ideal for both residential and commercial hydronic applications.

Key Features

  • 3-way on/off, two-position diverting valve body
  • Diverting flow pattern for zone and system control
  • Stainless steel stem with EPDM rubber seals and paddle
  • 1" sweat connections for soldered installation
  • Compatible with Caleffi Z1 actuators
  • Durable brass body for hydronic heating and cooling systems

Technical Specifications

  • Valve Type: 3-Way Diverting
  • Connection Type: 1" Sweat
  • Maximum Operating Pressure: 300 psi
  • Maximum ΔP: 20 psi
  • Cv Rating: 7.5 gpm
  • Medium Temperature Range: 32–240 °F
  • Body Material: Brass

Datasheets

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Caleffi Z-One Zone Valve Technical Brochure

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Caleffi Z-One Motorized Zone Valve Installation and Commissioning Manual

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Caleffi Z300637 Sell Sheet

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Submittal Data

 

Valve Pattern:
3-Way
Valve Size:
1 Inch
Connection Type:
Sweat
CV Rating:
7.5
GPM:
15.0 @ 4 psi
Actuator Type:
Valve Only