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Alpha Seal Kit 700 Water Complete 6.1000700

Alpha

Alpha Seal Kit 700 Water Complete 6.1000700

Water-side seal kit for Alpha Ocean Style 80 and Ocean Secura 4200 gas boilers, Alpha part 6.1000700.

At a glance

  • Also known as SEAL-KIT-700-WATER-COMPLETE-STYLE, 1250811
Manufacturer part no.
6.1000700
Showing prices

£65.75

£54.79 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 Seal Kit 700 (Water Complete) is a water-side seal kit from Alpha, manufactured for the Alpha Ocean family of gas boilers. It is supplied as a complete water seal set for the appliance's water-carrying components. The kit is listed under O-rings, washers and gaskets for the Ocean Style 80 and Ocean Secura 4200 models.

Signs this part needs replacing

  • Water weeping or dripping from joints on water-carrying components
  • Seals that have hardened, cracked or perished with age
  • Scale, sludge or debris visible on seal faces
  • Repeated pressure loss requiring regular top-ups
  • Staining or corrosion around a previously sealed joint

Before you order

  • Check the appliance data badge to confirm the model and GC number match the fitment list.
  • Confirm the existing kit or part number is 6.1000700.
  • Verify whether your boiler variant uses the water-side seal kit before ordering.
  • If the model is not listed, consult the manufacturer's parts list for the correct kit.

Not sure which part?

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