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Ariston 691526 Thermostat TAS SIT 450 ZN

Ariston

Ariston 691526 Thermostat TAS SIT 450 ZN

Ariston 691526 thermostat, designated TAS SIT 450 ZN, listed for Ariston gas boiler applications.

At a glance

  • Also known as 1575426
Manufacturer part no.
691526
Showing prices

£59.16

£49.30 ex. VAT · VAT at 20%

Available to order · 7 working days
Available to order · 7 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question

Same-day dispatch

Ordered by 4pm Mon–Fri, 10:30am Sat.

30-day returns

Unused, in original packaging.

What it is

The Ariston 691526 is a thermostat carrying the TAS SIT 450 ZN designation, listed by Ariston within its gas boiler spares range. It forms part of the temperature control circuit on the appliance it is specified for. The part is identified by the manufacturer part number 691526.

Before you order

  • Check the boiler's parts list or service documentation to confirm 691526 is the number specified for the appliance.
  • Compare the designation TAS SIT 450 ZN with the markings on the thermostat being removed.
  • Confirm whether Ariston lists a superseding number for the appliance before ordering.
  • Thermostat work involves gas and electrical safety; fitting should be carried out by a competent heating engineer.

Not sure which part?

Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.