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3 Port Valve Kit - SX

Part number (MPN)
573603

OEM Replacement Part & Compatibility Table

Brand
Guide price (£)
Not available: check the current price with the seller
Source
retailer parts list
checked 2026-11-06
Fitting notes

Work on gas appliances must be carried out by a Gas Safe registered engineer. Check the model and serial number on the boiler data plate. Source: a parts retailer's list, not the manufacturer's: confirm the part number on the data plate or with the manufacturer before ordering.

Compatible appliances

  • Ariston Sx 20 20 M
  • Ariston Sx 20 MFF

Always check the model and serial number on the data plate before ordering.

Frequently asked questions

Which appliances does 573603 fit?

The sources we checked list 573603 (3 Port Valve Kit - SX, Ariston) for: Ariston Sx 20 20 M, Ariston Sx 20 MFF. Always check the model and serial number on the data plate before ordering.

Does 573603 have equivalent or superseded part numbers?

The sources we checked list no equivalents for 573603. Ask a Ariston stockist to confirm.

What should I check before fitting 573603?

Work on gas appliances must be carried out by a Gas Safe registered engineer. Check the model and serial number on the boiler data plate. Source: a parts retailer's list, not the manufacturer's: confirm the part number on the data plate or with the manufacturer before ordering.

Related parts

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Some lists are dated and the part may have been superseded. Information only, compatibility not guaranteed.