1" Sweat Motorized Zone Valve, no auxiliary switch Zoom

1" Sweat Motorized Zone Valve, no auxiliary switch


Brand: Honeywell-Sparco

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Application: Zoning
Size: 1"
Connection Type: Sweat
Flow Capacity (Cv): 7
Body Pattern: 2-Way
Max Close-Off PSI: 17.5 psi
Max Pressure (PSI): 125 psi
Max Ambient Temp (°F): 125°F
End Switch: No
Hertz: 60
Time Cycle: 10-20 Seconds Open
3-6 Seconds Close
Position: Normally Closed
Wiring: 18" Leads
Material: Bronze
Max Temp (F): 240°F
Width (Inches): 3.8"
Depth (Inches): 2.4"
Height (Inches): 5.8

Description for Honeywell-Sparco MZV526

Honeywell MZV Series is the first linear zone valve with a built-in balancing plug that permits pre-balancing for each zone.


  • Rack and pinion linear design.
  • Fast acting, 15 seconds to open, 5 seconds to close.
  • Two piece rack design to extend service life.
  • Low power consumption, 8 valves, 40 VA transformer.
  • External valve position indicator.
  • Quiet operation, no water hammer.
  • Built-in tamper resistant balancing valve for pre-balancing.
  • High torque, constant speed synchronous motor.
  • Cooler running, longer life motor.
  • Operator can be replaced without draining system.
  • Manual opening feature.
  • Replaceable valve cartridge.
  • Large adjustable flow, 1/2 in. 3/4 in. Cv 5.8; 1 in. 7.0 Cv; 1-1/4 in. Cv 7.0.
  • Motor CSA recognized.
  • 4 wire operator with auxiliary switch.
  • 2 wire without switch, 24 in. leads.
  • Compatible with programmable thermostats.
  • Bronze casting; brass/stainless trim

  • Application: Residential or Commercial Zoning for hot water heating or chilled water air conditioning systems, fan coil units or indirect water heater service.
  • Body Pattern: Two-way
  • Maximum Close-off Pressure (psi): 20 Psi
  • Maximum Water Pressure (psi): 125 Psi
  • Maximum Ambient Temperature (F): 125F
  • Voltage: 24 Vac
  • Frequency: 60 Hz

1" Sweat Motorized Zone Valve, no auxiliary switch

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