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Replacement Of Parts; Warning; Recommended Accessories - Honeywell VQ400M Series Product Handbook

Class “a” combination valves
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VQ400M-Series

REPLACEMENT OF PARTS

Warning

Take care that only qualified persons carry
out the installation of parts, accessories,
and add on components.
Follow the installation instructions included
in the package.
Check that the selected part, accessory or
add-on component is the correct one for
the application in question.
Replace old gaskets with the new ones
supplied in the package and check for
leakage when the supply is switched on
again.
After installation and/or replacement has
been completed, a gas leak test must be
carried out.
Also check the gas valve for satisfactory
operation after fitting accessories.
Table 6 Rectifier boards for VQ400M series.
Gas valve
Rectifier board
115V/120V
VQ420MA
CS020020
VQ425MA
CS020020
VQ440MA
CS020020
VQ450MA
CS020020
HONEYWELL
HONEYWELL
HONEYWELL
HONEYWELL
Rectifier board
230V
CS020070
CS020070
CS020071
CS020071

RECOMMENDED ACCESSORIES

There are two different series of flange kits
available. The first series of flange kits consist of: 1
flange with sealing plug, 1 O-rings and 4 screws.
Table 7 Flange kits without strainer.
Gas valve
Recommended flange kit
VQ420M
VQ420M
VQ425M
VQ440M
VQ440M
VQ450M
The second series of flange kits consist of: 1 flange
with sealing plug or cast pressure tap, 1 strainer, 1
O-rings and 4 screws
Table 8 Flange kits with strainer.
Gas valve
Recommended flange kit
VQ420M
VQ420M
VQ425M
VQ440M
VQ440M
VQ450M
15
CLASS "A" COMBINATION VALVES
KTCOMB15
KTCOMB20
KTCOMB25
KTCOMB32
KTCOMB40
KTCOMB50
KTCOMS15
KTCOMS20
KTCOMS25
KTCOMS32
KTCOMS40
KTCOMS50
EN2R9081-C
October 2009

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