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Alpha Thermostat Silicone Cap 1.011065

Alpha

Alpha Thermostat Silicone Cap 1.011065

Silicone cap for the thermostat on Alpha CB50 LPG gas boilers, supplied under part number 1.011065.

At a glance

  • Appliance family: Alpha CB50 gas boiler, LPG
  • Also known as THERMOSTAT-PROTECTION-CB50, 1250021
Manufacturer part no.
1.011065
Showing prices

£3.92

£3.27 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

A silicone cap for the thermostat on Alpha gas boilers, listed by the manufacturer as thermostat protection CB50 under part number 1.011065. It sits over the thermostat sensor to insulate and protect it from direct heat and contact. The cap is a small service item within the boiler's thermostat assembly.

Signs this part needs replacing

  • The silicone cap is split, cracked or perished
  • The cap has hardened or discoloured from heat exposure
  • The cap is missing or has worked loose from the thermostat
  • The thermostat sensor is exposed and the boiler shows unstable temperature control

Before you order

  • Confirm your appliance is an Alpha CB50 running on LPG
  • Check the existing cap and thermostat assembly against the manufacturer's parts list
  • Verify the part number 1.011065 matches the item you are removing

Not sure which part?

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