Keraflo Spares Kit Quick Reference Guide

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Quick
Refe ence Guide
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which kit?
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Isolate the valve from the water supply
and drain excess water from the valve
by opening it.
Remove the float system and retain all
parts. Undo the large nut holding the two
parts of the valve together and split the
valve apart.
Back ut
Ensure the actuator assembly remains
intact and in place, within the valve body.
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tel 0118 921 9920
Tel: +44 (0)191 490 1547
Fax: +44 (0)191 477 5371
Email: northernsales@thorneandderrick.co.uk
Website: www.heattracing.co.uk
www.thorneanderrick.co.uk
fax 0118 921 9921
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You should now have the valve body
and the valve tail separated.
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If you have a twin-outlet valve arrangement,
two spares kits will be required. Replace both
sets of discs at the same time
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You will have either a Spares Kit C or Spares
Kit D, comprising of a cartridge assembly and
either 2 or 3 “o”-rings, depending on the type
of kit. (Kit C has 3 “o”-rings and kit D has 2
“o”-rings.)
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1¼”
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This is a simple guide to fitting a Keraflo spares kit into any Keraflo valve.
For more detailed instructions refer to the full installation guide available
at www.keraflo.co.uk
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info@keraflo.co.uk
www.keraflo.co.uk
P/SBULLETIN A-03
quick reference guide for keraflo spares kit
Replace discs
1 Remove and discard the old disc
Piston
housing
retain
from
valve
disc
assembly
assembly and “o”-rings, noting which
“o”-ring goes where. If you are replacing
spares kit C, make sure you remove and
keep the nylon piston housing.
“o”-ring
“o”-ring
BODY “O” RING
DO NOT remove the actuator assembly. Ensure actuator assembly and tail
section are clear from debris.
2
3
valve body
containing
actuator
assembly.
kit c
Ensure
the actuator assembly has not been
removed and remains in the valve body.
Insert
4
the new valve body “o”-ring into
the valve body which seats against the
brass ledge.
kit D
Fit
5
the new disc assembly into the valve
body, ensuring the pressure plate cut out
lines up with the cut out on the smaller
ceramic disc.
“o”-ring
Insert
the remaining “o”-rings” into the
valve tail.
On twin-outlet valves ensure the yellow
actuator wheel is located in the left hand
valve, when valve is viewed from the front.
!
Reassembly
and alignment
1 Refit the valve tail to the valve body,
2
3
4
5
TAIL SECTION
spline
cutaways
This actuator
assembly is still
located in the
valve body
Slide the new disc assembly into
the actuator assembly
ensuring the large nut securely holds the
tail to the body.
Refit
the valve to the tank, ensuring the
backnut holds the valve in place.
Refit
Actuator body
located within
the valve body.
THIS PART MUST
BE RETAINED
the float system.
Realign
valves in accordance with
installation instructions.**
Check
operation before reattaching water
supply and opening isolation valve.
**K +KAX – make sure spirit level is aligned when valve is fully open.
KB – make sure spirit level is aligned when valve is fully closed. Twin
outlets – make sure both valves are aligned horizontally to each other.
tel 0118 921 9920
fax 0118 921 9921
Valve body “o” ring
locates against this lip
Full installation guides available
at www.keraflo.co.uk
info@keraflo.co.uk
www.keraflo.co.uk