How do I know if this circulating pump is the one for my boiler?

Verify the reference 8716708577 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part.

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.

RefurbishedBiasi Pumps

Biasi Circulating Pump GLM5 13/20 2 Speeds Ref. 8716708577

Name: Biasi Circulating Pump GLM5 13/20 2 Speeds Ref. 8716708577
Brand: Biasi
SKU: BCMGLM5.1320
Price: 90 EUR
Availability: InStock

90 €VAT includedIn stock · 1 unit

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 GLM5 13, GLM5 20, GLM5 13/20 (ref. 8716708577). Includes a one-year warranty and delivery within 2–4 working days in the EU.

Consult via WhatsApp

Not sure if it's your part? Send us a photo of the screen printing via WhatsApp and we'll confirm compatibility before you purchase.

Delivery in 2–4 working days

1-year warranty

14-day return

Technical support

Key Data

Reference: 8716708577
Brand: Biasi
Type of part: Pumps
Available units: 1 unit in stock
Status: Refurbished
Warranty: 1 year
Shipping: 2–4 working days (EU)
Return: 14 days

The same part (ref. 8716708577) equips these models. Verified compatibility; check the reference before purchasing.

GLM5

GLM5 13
GLM5 20
GLM5 13/20

How do I know if this circulating pump is the one for my boiler?: Verify the reference 8716708577 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.