Wilo pump INTNFSL12/6 HE-1 · Ref. 4520904
Refurbished Sime Pumps Wilo

Wilo pump INTNFSL12/6 HE-1 · Ref. 4520904

Wilo INTNFSL12/6 HE-1 circulator pump. The plate shows 4520904.

Type of part
Pumps
Catalogue reference
4520904
Warranty
1 year
VAT included Stock · 2 units
Guide

How to check if reference 4520904 is the part for your boiler

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

  1. Check 4520904 on the PCB, the outlets, the fixings, and the connections of the installed part. The inventory mentions Format Low NOX 25 BF as applications that require verification by variant and breakdown.
Technical data

Technical data

Catalogue reference
4520904
Uniclima internal SKU
BOM022
Brand
Sime
Type of part
Pumps
Units in stock
2 units
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.

Brands on the part
Wilo
Model
INTNFSL12/6 HE-1
PCB identifier
4520904
Another printed marking
6272310 · 11W35
Operating data
82 W · 0.37 A
Protection and class
TF95
Frequently asked questions

Frequently asked questions

What should I check on the installed part?
Check 4520904 on the PCB, the outlets, the fixings, and the connections of the installed part. The inventory mentions Format Low NOX 25 BF 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 pump INTNFSL12/6 HE-1 · Ref. 4520904