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Potterton Tank DHW Flow Sensor 5139797

Potterton

Potterton Tank DHW Flow Sensor 5139797

Potterton tank DHW flow sensor, part 5139797, for Potterton Commercial IHE appliances.

Manufacturer part no.
5139797
Showing prices

£75.04

£62.53 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 SENSOR - TANK DHW FLOW is a Potterton flow sensor for the domestic hot water tank circuit. It is supplied as a Potterton Commercial spare and is listed for use on Potterton Commercial IHE boiler appliances. Its function is to signal DHW flow from the tank so the appliance can respond to a draw-off.

Signs this part needs replacing

  • No DHW demand registered when a hot tap is opened
  • Hot water delivery fails to start or cuts out during draw-off
  • Intermittent hot water, with the appliance responding erratically to demand
  • Fault code or diagnostic message relating to the DHW flow sensor or tank sensor circuit

Before you order

  • Confirm the appliance model against the fit list above
  • Check the part number on the existing sensor or in the appliance documentation
  • Inspect the sensor wiring and connections before assuming the sensor itself has failed
  • Verify the fault is on the DHW tank circuit rather than the heating or primary circuit

Not sure which part?

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