40443
(IPS SET)
40653(HOT) & 40663(COLD)
The Isolator® is a registered trademark of Webstone Company Inc.
E
ASY
–
Easy two step installation of your tankless water heater with unsurpassed
safety, features and benefits. This is a complete inlet/outlet valve system that provides
everything you need for a secure installation including full port testing of the system and
easy to install union connections. Flushing the heater to remove lime or scaling is as
easy as 1, 2, 3.
X
TRA
–
Extra features like a full port for full flow through-out the valve including a full
port outlet for purging and testing the system and the ability to drain your hot and cold
water lines throughout the building or just at the water heater with a quick quarter turn.
It also features an outlet for your pressure relief valve. This unique one-piece design is
so innovative it has a Patent Pending.
P
ROTECTION
–
Protection for the life of your system. Emergencies are handled with
quick quarter turn ball valve shut-offs for total isolation of your system in seconds. Repair
or replace your heater in minutes with easy-fit union style connections that do not disturb
your piping system. You are also protected by the best warranty in the business, the Web
Warranty guaranteeing you a lifetime of trouble free service.
EXP: EASY, XTRA, PROTECTION
EXP KITS with Pressure Relief Valve Options
Fax: (800) 336-5133
One Appian Way, Worcester, MA 01610
Phone: (800) 225-9529
50443
(SWT SET)
50653(HOT) & 50663(COLD)
FULL PORT FORGED BRASS TANKLESS
WATER HEATER ISOLATION VALVES
(600 WOG) - ISO 9001
40443
Isolator
®
EXP
TM
with
IPS
Connection
High-output Kit
with 150 PSI/2,703,000 BTU
and 3/4
“
Close Nipple
40443PR2
- IPS
50443PR2
- SWT
Standard Kit
with 150 PSI/200,000 BTU
40443PR
- IPS
50443PR
- SWT
C
B
A
ITEM
SIZE
PSI BTU
A
B
C
PR 3/4 MIP x FIP 150 200,000 3 5/16 1 3/4 1 7/8
ITEM SIZE PSI
BTU
A
B
C
PR2 3/4 FIP 150 2,703,000 1 1/2 3 1/2 1 1/16
Order these item
numbers and your
valve set will
include a pressure
relief valve
50443
Isolator
®
EXP
TM
with
SWEAT
Connection
● To be used in conjunction with standard EXP Valve Set
● Adjustable pressure relief valve outlet
● Kit Includes: Adapter, Outlet Plug, & Rubber Washer
28003
for use with Recessed Boxes & Pipe Covers
ADAPTER KIT
1.
Remove union with red
insulating ring from hot water valve.
Thread adapter fitting with washer
onto the connection where the union
was. Position pressure relief outlet
on fitting to allow ample room for
relief valve and tighten
connection securely.
2.
Thread union nut with insulating
ring onto top of adapter fitting.
3.
Using Teflon
®
tape or pipe dope,
thread the 3/4“ plug (included in kit)
into the existing pressure relief outlet
of the EXP hot water valve (pipe
dope or Teflon
®
tape are not required
on unions because both are sealed
with rubber washers.)
B
A
C
FULL PORT
FORGED BRASS
PRESSURE RELIEF
RELOCATION FITTING
EASY AS 1, 2, 3.
Note: This kit allows repositioning of
the pressure relief valve outlet and it
also provides flexible installation in
tight quarters.
Teflon® is a registered trademark of Dupont.
ASME Listed
ASME Listed
www.webstonevalves.com
For submittal sheet visit our web site