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Original spares for central heating boilers - Parts direct to your door
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Alpha Ocean 3.013389 Diaphragm Kits (DKS1)

Alpha Ocean CB28 Boiler
Alpha Ocean 3.013389 Diaphragm Kits
Mfr Part#: 3.013389 Ezypart Part#: DKS1
To Fit Boiler Gas Code: 47-532-16
Alpha Ocean £14.00
inc. VAT
Out of stock
Click here for a larger image of the Alpha Ocean 3.013389 Diaphragm Kits Click on the images on the right for a closer view.

Diaphragm Kit to fit specific Giannoni diverter valves

This diaphragm is supplied with the following accessories:
1 x Blue Fibre Washer
5 x Green/Grey Fibre Washers
3 x O Rings
2 x Screws
1 x Tube of Grease

To fit, simply undo the 4 screws on the valve and replace with the new diaphragm and spindle.

These diaphragm kits are the genuine replacement parts for specific Giannoni diverter valves and can be used to replace and repair faulty diaphragms in diverter valves in certain Alpha Ocean and Ravenheat combination boilers.

The diaphragm assembly includes a flexible convoluted black ethylene propylene diaphragm that is clamped between the two parts of the diverter valve diaphragm chamber. The diaphragm is mounted between two stainless steel discs and assembled on a stainless steel shaft/spindle. A special notched plate, held onto the shaft by a circlip, accurately determines the domestic water flow rate at which the diverter valve will operate. A number of helical springs are also mounted on the shaft, designed to balance the movement of the diaphragm and to return the valve to its normal position when domestic hot water demand ceases