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Worcester Bosch Thermal Protection 90°C L=540mm 87172062120

Worcester Bosch

Worcester Bosch Thermal Protection 90°C L=540mm 87172062120

Thermal protection rated at 90°C with a 540 mm length, for Worcester Bosch Greenstore boilers.

At a glance

  • Appliance family: Worcester Greenstore combi and system boilers
  • Also known as THERMAL-PROTECTION-90C-L540MM, 1022346
Manufacturer part no.
87172062120
Showing prices

£315.89

£263.24 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

Thermal protection (temperature limit thermostat) with a 90°C rating and a length of 540 mm, manufactured by Worcester Bosch. It forms part of the safety circuit on Greenstore combi and system boilers, cutting the appliance out if the sensed temperature reaches the limit threshold. It is supplied under Worcester Bosch part number 87172062120.

Signs this part needs replacing

  • The boiler repeatedly trips out on overheat and requires a manual reset
  • Heating and hot water stop once the appliance reaches operating temperature
  • The boiler locks out shortly after firing, with the fault recurring after each reset
  • The limit device is slow to reset, or fails to reset at all

Before you order

  • Confirm the existing limit device is rated at 90°C before ordering
  • Check the length of the fitted part against the 540 mm given here
  • Confirm the boiler model against the fit list above
  • Have the Worcester Bosch part number 87172062120 to hand when ordering

Not sure which part?

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