Z 15+ - Timer Type Circulation Pump
Version 21.07
2
Please read over the operating manual prior to
installation and keep it for reference.
II. TECHNICAL PARAMETERS
Product model: Z 15+
Maximum flow: 5.5 US Gallons per Minute
Rated voltage: 115V
Protection class: NEMA 12
Rated frequency: 60Hz
Maximum operating pressure: 145 PSI
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Max. input power: 30W
Maximum water temperature: 160°F
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Max. input current: 0.26A
Inlet thread: ¾” Female NPT
Max. Head: 9 Ft.
Low Lead Standard: NSF-61 Listed
Outlet thread: ¾” Male NPT
Pump Weight: 5.5 lbs
Notes: 1. The minimum temperature of the water must be greater than 32°F, and the maximum temperature is
160°F.
2. The inlet (supply) pressure must be higher than .75 PSI to work properly.
III. INSTALLATION PRECAUTIONS
For best performance and reliability, please follow the instructions in this manual.
Schematic diagram of a domestic hot water system
Step 1: Carefully check system components to ensure that the components are not missing or
damaged.
The circulating system should include:
One circulating pump with, or without, timing function (provided by WILO)
Installation and operation instructions (provided by WILO)
Jet valve (provided by WILO as an optional accessory)
Four 3/8” braided hoses (provided by others)
Water
pump
Hot
water
pipe
Cold
water
pipe
Temperature-sensing valve
Angle valve
