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All surface pumps use a 22 mm quick release connector to attach the pressure control
module to the pump. This is to assist in the task of relocating the control module if
required to do so.
The push-in connector allows the control module to be rotated into a position that suits
the installation whilst still remaining pressure tight.
Disconnection
To break the joint, push the control module firmly into fitting, hold collet down (Fig. 10)
and gently remove module. If the system has been filled with water care should be taken
to isolate the pump and towels used to absorb spilled liquid.
Connection
1. Stuart Turner recommend only the use of their 22 mm flexible hoses.
The hose and pump are fitted with plastic push-in connectors, which must only be
connected with the following:
a) 22 mm diameter copper pipe to BS EN 1057 - R250 (half hard) - Table 3.
b) 22 mm plastic pipe to BS 7291 part 1 and part 2 (Table 1), or part 3 (Table 1) plus
internal support sleeve*.
* The internal bore of the plastic pipe must be supported against collapse with the
pipe manufacturers recommended support sleeve (pipe insert).
c) Appropriate plumbing fittings from the John Guest 'speedfit' push-in plumbing
fitting range.
Other manufacturers fittings are not necessarily compatible and may not provide a
water tight connection.
Ensure the pipe is free from all score marks and deformities in the area of the
insertion depth (Fig. 9) and cut the pipe square removing all burrs and sharp edges to
prevent damage to the sealing 'O'-ring.
2. Prior to inserting pipe into fitting mark the insertion depth on the wall of the pipe with
a soft pencil at a distance of 35 mm from the end to be inserted.
22 mm Pipe
Pencil
mark
Insert depth
35 mm
Fig. 9
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