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Saunier Duval Thermostatic Expansion Valve 0020166850

Saunier Duval

Saunier Duval Thermostatic Expansion Valve 0020166850

Thermostatic expansion valve, part 0020166850, for Saunier Duval appliances in the 11–15 kW range.

At a glance

  • Also known as 1419895
Manufacturer part no.
0020166850
Showing prices

£96.50

£80.42 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

The Saunier Duval 0020166850 is a thermostatic expansion valve, a refrigerant-circuit control component used on Saunier Duval appliances in the 11–15 kW range. The valve regulates refrigerant flow into the evaporator in response to the temperature at the outlet, maintaining the correct superheat across the load range it is rated for. It is supplied under Saunier Duval part number 0020166850.

Before you order

  • Confirm 0020166850 against the appliance's parts list or technical documentation before ordering.
  • Check that the appliance output falls within the 11–15 kW range stated for this valve.
  • Verify the existing valve's connection type and orientation against the manufacturer's documentation for the appliance.
  • Check the appliance model and serial details so the correct variant is identified.

Not sure which part?

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