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Andrews Thermistor 7702401

Andrews

Andrews Thermistor 7702401

Exhaust thermistor for Andrews Fastflo water heaters, manufacturer part number 7702401.

At a glance

  • Also known as 1822992
Manufacturer part no.
7702401
Showing prices

£43.76

£36.47 ex. VAT · VAT at 20%

Available to order · 3 working days
Available to order · 3 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 Andrews 7702401 is an exhaust thermistor for Andrews water heaters. It measures exhaust gas temperature and feeds the reading to the appliance's control system. The part is used across the Fastflo range, including the LWHIC56 and WHIC56 models.

Signs this part needs replacing

  • Appliance locks out or fails to fire
  • Flue or exhaust temperature fault codes appear
  • Intermittent shutdown during operation
  • Erratic or inaccurate temperature readings
  • Overheating or unexpected cycling

Before you order

  • Confirm your appliance model appears in the Fits section.
  • Check the part number on the existing thermistor against 7702401.
  • Refer to the manufacturer's parts list if compatibility is unclear.

Not sure which part?

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