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Heatrae Sadia PCB Main Flatback 7034221

Heatrae Sadia

Heatrae Sadia PCB Main Flatback 7034221

Heatrae Sadia PCB Main Flatback, part number 7034221, is the main control board for Heatrae Sadia appliances.

At a glance

  • Part type: PCB main flatback
  • Also known as 1736267
Manufacturer part no.
7034221
Showing prices

£154.80

£129.00 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 PCB Main Flatback is the main control board used in Heatrae Sadia appliances. It manages the electrical sequencing and operating functions of the unit it is fitted to. This part carries the manufacturer part number 7034221.

Signs this part needs replacing

  • The appliance fails to power up or respond when switched on.
  • Fault or error codes appear that point to the control board.
  • Heating or hot water operation becomes intermittent or stops entirely.
  • Visible scorching, burn marks or a smell of burning from the board area.
  • Repeated fuse blowing or tripping when the appliance is energised.

Before you order

  • Confirm the appliance model number against the manufacturer's parts list.
  • Check the part number on the existing board matches 7034221.
  • Inspect the board connectors and wiring for damage before fitting.
  • Isolation of the electrical supply is required before any work on the board.

Not sure which part?

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