Wilo INTNFSL12/PREMIUM-1 boiler pump ref. 4520921
Refurbished Pumps Wilo

Wilo INTNFSL12/PREMIUM-1 boiler pump ref. 4520921

Wilo INTNFSL12/PREMIUM-1 circulator pump. The plate shows 4520921.

Type of part
Pumps
Catalogue reference
4520921
Warranty
1 year
VAT included Stock · 1 unit
Guide

How to check if reference 4520921 is the part for your boiler

The part reference, model, and equipment revision must be verified against the manufacturer's documentation.

  1. Check the marking 4520921, the outlets, the fixings, and the connections against those of the installed part. The inventory mentions AS 24 FF and Mura v09 24E, including the ES variant as applications that require verification by variant and breakdown.
Technical data

Technical sheet: 4520921

Catalogue reference
4520921
Type of part
Pumps
Units in stock
1 unit
Status
Refurbished
Warranty
1 year
Shipping
Depending on the country; cost shown at checkout
Return
14 days

Part data and available documentation

Contrast the label codes, PCB, and revision with the installed part; they are not necessarily equivalent references.

Brand on the part
Wilo
Model
INTNFSL12/PREMIUM-1
PCB identifier
4520921
Another printed marking
4022.3080.50/0
Operating data
59 W · 0.26 A
Production marking
09W41
Adhesive of the photographed equipment
MURA v09 24E ES N054111009
Frequently asked questions

Frequently asked questions: 4520921 circulator pump

What should I check on the installed part?
Check the marking 4520921, the outlets, the fixings, and the connections against those of the installed part. The inventory mentions AS 24 FF and Mura v09 24E, including the ES variant as applications that require verification by variant and breakdown.
Delivery to the EU in 2–6 working days Depending on the country; cost shown at checkout
1-year warranty inspected and tested
14-day return uninstalled parts
Technical support we verify your model
Wilo INTNFSL12/PREMIUM-1 boiler pump ref. 4520921