Saunier Duval Isomax F 35 H Heating Circulating Pump Motor Ref. 0020048255
RefurbishedSaunier DuvalPumps

Saunier Duval Isomax F 35 H Heating Circulating Pump Motor Ref. 0020048255

110 €VAT includedIn stock · 5 units

Circulating pump: refurbished spare part that circulates water in the heating circuit. Useful if there is noise, water is not circulating, or radiators do not heat evenly. Compatible with Isomax F 35 H-MOD (ref. 0020048255). Includes a one-year warranty and delivery within 2–4 working days in the EU.

1
Consult via WhatsApp
Delivery in 2–4 working days
1-year warranty
14-day return
Technical support

Key Data

Reference
0020048255
Brand
Saunier Duval
Type of part
Pumps
Available units
5 units in stock
Status
Refurbished
Warranty
1 year
Shipping
2–4 working days (EU)
Return
14 days

The same part (ref. 0020048255) equips these models. Verified compatibility; check the reference before purchasing.

Isomax F 35 H-MOD

  • Isomax F 35 H-MOD

Fault codes related to this part (not the entire boiler). They usually have more possible causes: first rule out electrodes, wiring/connections, and gas supply. Verified with ≥3 sources.

CodeWhat does it mean?Cause and diagnosis (this part)
11Pump blockedThe motor/rotor of the circulator is seized or not rotating, resulting in no circulation; check the voltage at the pump terminals and unblock the shaft from the bleed cap to confirm it starts and moves flow.
05Overheating faultIf the heating pump is faulty or blocked, there is no recirculation and the flow temperature exceeds the safety threshold; check that the circulator is receiving power and starts, bleed the circuit, and confirm flow.
How do I know if this circulating pump is the one for my boiler?
Verify the reference 0020048255 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part.
What is it used for?
The circulating pump circulates the water through the heating circuit.
Noise, water not circulating, or cold radiators?
Typical symptoms: humming, seized rotor after a long stop, or radiators that do not heat evenly.
Which models is it suitable for?
Part shared by various models (see Compatibility). If your model does not appear, send us a photo of the marking and we will confirm it.
Installation and recommendations
Bleed the air from the circuit and the pump; check the pressure at 1–1.5 bar with the boiler cold.
What does refurbished mean and what coverage does it have?
Part removed from a boiler out of service, inspected and tested. Includes 1-year warranty and 14-day return policy. Delivery within 2–4 working days in the EU.

Related Spare Parts Boiler Isomax F 35 H MOD

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