PartsByCodespare parts by code

Pressure and Temperature Valve - 3/4" - 7 Bar - Comfort/Contract

Part number (MPN)
406953

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

  • CONTRACT 125 STI PROTECH ELEC
  • CONTRACT 150 STI PROTECH ELEC
  • CONTRACT 210 STI PROTECH ELEC
  • COMFORT STI 125 from serial no
  • COMFORT STI 150 from serial no
  • COMFORT STI 210 from serial no
  • CONTRACT STD 100 from serial n
  • CONTRACT STD 125 from serial n
  • CONTRACT STD 150 from serial n
  • CONTRACT STD 210 from serial n
  • CONTRACT STD 300 UK from seria
  • CONTRACT STI 125 from serial n
  • CONTRACT STI 150 from serial n
  • CONTRACT STI 210 from serial n
  • CONTRACT STI 300 from serial n

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

Frequently asked questions

Which appliances does 406953 fit?

The sources we checked list 406953 (Pressure and Temperature Valve - 3/4" - 7 Bar - Comfort/Contract, Ariston) for: CONTRACT 125 STI PROTECH ELEC, CONTRACT 150 STI PROTECH ELEC, CONTRACT 210 STI PROTECH ELEC, COMFORT STI 125 from serial no, COMFORT STI 150 from serial no, COMFORT STI 210 from serial no, CONTRACT STD 100 from serial n, CONTRACT STD 125 from serial n, CONTRACT STD 150 from serial n, CONTRACT STD 210 from serial n, CONTRACT STD 300 UK from seria, CONTRACT STI 125 from serial n, CONTRACT STI 150 from serial n, CONTRACT STI 210 from serial n, CONTRACT STI 300 from serial n. Always check the model and serial number on the data plate before ordering.

Does 406953 have equivalent or superseded part numbers?

The sources we checked list no equivalents for 406953. Ask a Ariston stockist to confirm.

What should I check before fitting 406953?

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.