How do I know if this hydraulic group/block is for my boiler?

Check the reference 65120137 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part. It is an Ariston part.

The hydraulic group/block integrates the water circuit (valve, by-pass, and connections).

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

Check seals and connections; compare the exploded view.

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.

RefurbishedAriston Hydraulics

Ariston Right Return Hydraulic Group Clas ONE 24 Ref. 65120137

Name: Ariston Right Return Hydraulic Group Clas ONE 24 Ref. 65120137
Brand: Ariston
SKU: GHDCONE24
Price: 80 EUR
Availability: InStock

80 €VAT includedIn stock · 5 units

Hydraulic group: reconditioned spare part that integrates the valve, bypass, and water connections. Useful if there are leaks, noises, or poor water circulation. Compatible with Clas One 24, Clas One 30, Clas One 35 (ref. 65120137). 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: 65120137
Brand: Ariston
Type of part: Hydraulics
Available units: 5 units in stock
Status: Refurbished
Warranty: 1 year
Shipping: 2–4 working days (EU)
Return: 14 days

The same part (ref. 65120137) equips these models. Verified compatibility; check the reference before purchasing.

Ariston

Clas One 24
Clas One 30
Clas One 35
Clas One System 24
Clas X 24
Clas X 28
Clas X 35
Genus One 24
Genus One 30
Genus One 35
Genus One Net 24
Genus One Net 30
Genus One Net 35
Genus X 24
Genus X 30
Genus X 35
Alteas One Net 24
Alteas One Net 30
Alteas One Net 35
Alteas X 24
Alteas X 30
Alteas X 35
Cares Premium 25
Cares Premium 30
Cares X 24

Chaffoteaux

Inoa Green 25
Inoa Green 30
Mira Advance 25
Mira Advance 30
Mira Advance 35
Pigma Advance 25
Pigma Advance 30
Pigma Advance 35
Urbia Advance Link 25
Urbia Advance Link 30
Urbia Advance Link 35

How do I know if this hydraulic group/block is for my boiler?: Check the reference 65120137 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part. It is an Ariston part.
What is it used for?: The hydraulic group/block integrates the water circuit (valve, by-pass, and connections).
Leaks, noises, or poor water circulation?: It may indicate leaks or wear of the block.
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: Check seals and connections; compare the exploded view.
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.

Ariston Right Return Hydraulic Group Clas ONE 24 Ref. 65120137

Key Data

Ariston

Chaffoteaux

Related Spare Parts Boiler Derecho Clas ONE 24