Product Specifications

GRUNDFOS DATA SHEET
Home Booster Circulator
UPA 15-90
General
The UPA 15-90 is a circulator pump designed for pres-
sure boosting of potable water and domestic hot water.
The pump provides additional pressure to showers,
taps and similar outlet points.
The UPA 15-90 is for use in open systems.
Approval from the local water company must be
obtained if the pump is to be connected directly to the
water main.
The pump incorporates a flow switch which starts or
stops the pump when a tap is turned on or off.
The pump is supplied with a 1.5 metre flying lead.
Features
• Typically adds between 0.5 bar and 0.75 bar pres-
sure to the existing inlet pressure.
• Stainless steel encapsulated rotor.
• Stainless steel rotor can and bearing plate.
• Pump can be set to “MANUAL”, “AUTO” or “OFF”.
• Flow rates up to 1.4 m³/h (5.2 gpm).
Pumped liquids
• Fresh water
• Potable water without chemical additives
• Chlorinated potable water.
The pump must not be used for the transfer of flam-
mable liquids such as diesel oil and petrol.
Operating conditions
Ambient and liquid temperatures
Operating pressure
Maximum 6 bar.
Inlet pressure
To avoid cavitation noise and risk of damage to the
pump bearings, a pressure of minimum 2.0 metres
head / 0.2 bar is required at the pump suction port
during operation.
Pump location
The pump is designed for installation in a non-aggres-
sive environment and non-explosive atmosphere.
Relative humidity: Maximum 95%.
Standard pumps
Max.
[
°C]
Min.
[°C]
Liquid temperature 70 2
Ambient temperature 40 2