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Ariston 990121 Thermocouple

Ariston

Ariston 990121 Thermocouple

Ariston 990121 thermocouple, a flame-sensing component used in the burner safety circuit of gas appliances.

At a glance

  • Also known as 1575862
Manufacturer part no.
990121
Showing prices

£35.39

£29.49 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 990121 Thermocouple is a flame-sensing device used in the safety circuit of gas-fired appliances. It sits in the burner flame path and generates a small voltage that holds the gas valve open while a flame is proven, closing the valve when the flame is lost. This part is listed by Ariston under part number 990121 and is also referenced against Chaffoteaux listings.

Before you order

  • Confirm the part number 990121 on the existing thermocouple or in the appliance documentation before ordering.
  • Check the appliance make and model against your manufacturer's literature to confirm this thermocouple is the correct component.
  • Inspect the burner and thermocouple mounting arrangement so the replacement can be fitted correctly.
  • Check the existing thermocouple lead length and connection type against the part supplied.

Not sure which part?

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