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R
epairs and Replacement
The sensing element, internal parts, and rubber
diaphragms are replaceable. Refer to the Servicing
section for instructions. To obtain replacement parts,
contact the nearest Johnson Controls distributor.
Replacement parts are listed in V43 Series Repair
Parts Kits (LIT-121690).
O
rdering Information
When ordering the V43, specify the following:
1. Product number (Refer to Tables 2 and 3.)
2. Optional companion flange and gasket kit
For new installation of commercial valves, a
companion flange and gasket kit is required to
mount the water lines to the V43. Refer to Table 4
for kit ordering information.
Table 3: Product Number
Valve Size
and
Pipe Connection
Commercial Service
2 in. IPS Flanged
2-1/2 in. IPS Flanged
3 in. IPS Flanged
4 in. IPS Flanged
Maritime Service
2 in. IPS Flanged
2-1/2 in. IPS Flanged
3 in. IPS Flanged
4 in. IPS Flanged
Navy Service
2 in. IPS Flanged
2-1/2 in. IPS Flanged
3 in. IPS Flanged
R-12, R-134A
70 to 150 psig
(483 to 1034 kPa)
Low Pressure
Opening Point Range
V43AS-1
V43AT-1
V43AV-1
V43AW-1
V43BS-1
V43BT-1
V43BV-1
V43BW-1
V43CS-1
V43CT-1
V43CV-2
V43 Pressure Actuated Water Regulating Valve Product/Technical Bulletin
Table 2: Type Number Selection Matrix
V43
A
Commercial service with iron body, open on
pressure increase
B
Maritime service with brass body, open on
pressure increase
C
Navy service with brass body, open on
pressure increase
S
2 in. flange
T
2-1/2 in. flange
V
3 in. flange
W
4 in. flange
R-22, R404A, R502, R-507
160 to 260 psig
(1103 to 1793 kPa)
High Pressure
Opening Point Range
V43AS-2
V43AT-2
V43AV-2
V43AW-2
V43BS-2
V43BT-2
V43BV-2
V43BW-2
V43CS-7
V43CT-3
V43CV-4
Ammonia (R-717)
160 to 260 psig
(1103 to 1793 kPa)
High Pressure
Opening Point Range
V43AS-5
V43AT-5
V43AV-5
V43AW-5
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