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Andrews Hydrojet Cold Inlet Diptube E166

Andrews

Andrews Hydrojet Cold Inlet Diptube E166

Cold inlet diptube for Andrews Hydrojet water heaters, listed for RFF190 B Series and RFF280 B Series models.

At a glance

  • Also known as 1820888
Manufacturer part no.
E166
Showing prices

£75.59

£62.99 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 Hydrojet cold inlet diptube is a water heater spare for Andrews Hydrojet appliances. It carries the incoming cold water supply into the cylinder. This part is listed for the RFF190 B Series and RFF280 B Series.

Signs this part needs replacing

  • Hot water runs cool or lukewarm soon after the cylinder has heated
  • Reduced hot water volume at the outlet
  • Gurgling or splashing noises from the cylinder as it refills
  • Discoloured water at the hot tap
  • Water weeping from the cold inlet connection

Before you order

  • Check the model and series on the appliance data plate against the fit list above.
  • Confirm the part number E166 matches the component or the manufacturer's parts list.
  • On an RFF190 or RFF280, confirm whether the unit is the B Series variant.

Not sure which part?

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