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Ariston Sanitary Heat Exchanger (16 P.) 65116537

Ariston

Ariston Sanitary Heat Exchanger (16 P.) 65116537

Sanitary heat exchanger (16 P.) for Ariston Alteas ONE NET, CLAS ONE, E-Combi ONE and Genus ONE boilers.

At a glance

  • Also known as 1595725
Manufacturer part no.
65116537
Showing prices

£57.56

£47.97 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 Ariston 65116537 is a sanitary heat exchanger (16 P.) used in Ariston wall-mounted gas boilers. It transfers heat from the primary circuit to the domestic hot water circuit, heating mains water as it passes through the plate stack. It is fitted across the Alteas ONE NET, CLAS ONE, E-Combi ONE and Genus ONE families.

Signs this part needs replacing

  • Domestic hot water runs lukewarm or fails to reach the set temperature while heating continues to work
  • Hot water temperature fluctuates sharply during draw-off
  • Reduced hot water flow rate through the plate stack
  • Water weeping or staining around the plate stack or its connections
  • Scale or debris build-up restricting the secondary side of the exchanger

Before you order

  • Confirm the boiler model and GC number on the appliance data badge against the fit list above
  • Check the part number on the existing component matches 65116537
  • Inspect the plate stack and connections for scale, debris or mechanical damage before deciding to replace
  • Verify the connection layout and plate count of the removed part match the replacement

Not sure which part?

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