How to choose a boiler pump?

Boiler (circulation) pumps are used in the boiler to ensure water circulation in heating systems (radiators) or for domestic hot water circulation DHW. In our offer you will find pumps for more than 20 brands of boilers from the manufacturers Grundfos, Wilo, Salmson, Lowara.

GRUNDFOS pump label description

UPS-type pump, connection and hydroblock (UPS, UPSAO, UP)
The number indicates the connection of the pump 15-DN15, 25-DN25 (1 ")
Pump head 65-6.5 m, 50-5.0 m, 40-4.0 m
Degree of IP protection
Maximum medium temperature
Insulation class
Maximum operating pressure
Consumption according to pump speed
Pump manufacturer logo
The letter indicates the type of hydroblock, the numbers the connection pitch
Serial number
operating voltage
Direction of release of the control seal or direction of rotation of the impeller

The description on the pump nameplate is always specific and it is not possible to determine from the label which pump the pump head can be exchanged for.

Types of classic GRUNDFOS UPS boiler pumps

Power connection
A) bushing
B) connector
Pump speed selector - discharge head
The rear of the pump must be measured for correct determination

Front part

Rear

It is always necessary to measure the impeller of the pump in order to determine the exchange of the pump head.
To use the pump in a gas boiler, always have the speed selector switched to the highest gear.

Pump connection and condenser type

Catalog number: 2416177506

The electrical connection must be observed according to the symbols.

GRUNDFOS pump head UPS

The UPS pump can be replaced in the following gas boilers:
PROTHERM, JUNKERS, IMMERGAS, BAXI, DAKON, THERMONA

Catalog number: 28591565

Send a photo of the pump and we will confirm whether it is possible to use the pump head.

Description of the WILO pump label

RS-type pump, connection and hydroblock (RS, RSL, KSL)
The number indicates the connection of the pump 15-DN15, 25-DN25 (1 ")
Pump head 6-6.0 m, 5-5.0 m, 4-4.0 m
Degree of IP protection
Maximum medium temperature
Insulation class
Number of pump speeds
Consumption according to pump speed
Pump manufacturer logo
Serial number
operating voltage
Direction of rotation of the impeller
Type of rear part of the pump (hydroblock)

The description on the pump nameplate is always specific and it is not possible to determine from the label which pump the pump head can be exchanged for.