Brochure
Page 9
Job/Customer ___________________________________________ Date _________________________ Contractor ______________________________________
Model Specifi ed __________________________________________ Qty __________________________ Approved By_____________________________________
Designer/Engineer _______________________________________ Date _________________________ Contractor’s PO# ________________________________
Submitted by ____________________________________________ Date _________________________ Other ___________________________________________
THIS SPACE FOR DESIGNER / ENGINEER APPROVAL
The Isolator
®
E-X-P
™
Tankless Water Heater Service Valve Kits
Hot & Cold Set of Full Port Forged Brass Ball Valves
w/ Hi-Flow Hose Drains & Pressure Relief Valve Outlet
600 WOG
ISO 9001
Patented Technology
ITEM # SIZE CTN/CASE A B C D E F G
4044 3 3 ⁄4" 1/8 3/4 4 15/16 1 1/2 1 13/16 2 7/8 3/4 3/4
RESIDENTIAL PRESSURE RELIEF VALVE (150 PSI/200,000 BTU)
4044 3PR 3 ⁄4" 1/8 3/4 4 15/16 1 1/2 1 13/16 2 7/8 3/4 3/4
COMMERCIAL PRESSURE RELIEF VALVE (150 PSI/2,703,000 BTU) & 3⁄4" CLOSE NIPPLE
40443PR2 3 ⁄4" 1/6 3/4 4 15/16 1 1/2 1 13/16 2 7/8 3/4 3/4
NO. DESCRIPTION MATERIAL
1BODY BRASS
2END CAP BRASS
3SEAT PTFE
4BALL BRASS HCP
5STEM BRASS
6STEM SEAL PTFE
7PACKING GLAND BRASS
8 HANDLE NUT STAINLESS STEEL
9 HANDLE STAINLESS STEEL
10 HANDLE JACKET VINYL
11 LOCK WASHER STAINLESS STEEL
12 UNION WASHER EPDM
13 COLORED INSULATOR RING ABS
14 UNION NUT BRASS
15 UNION FITTING BRASS
16 RETAINING SEATS PTFE
17 DRAIN VALVE HANDLE ENAMEL COATED ALUMINUM
18 DRAIN VALVE HANDLE SCREW BRASS
19 RETAINING NUT BRASS
20 CAP & STRAP BRASS W/ EPDM HOSE WASHER
TEMP °F PSI
100 600
150 490
180 478
6044 Series -
IPS Union × PUSH
6044 Series - IPS Union × PUSH
5044 Series -
IPS Union × SWT
5044 Series - IPS Union × SWT
4044 Series -
IPS Union × IPS
4044 Series - IPS Union × IPS
ITEM # SIZE CTN/CASE A B C D E F G
50443 3 ⁄4" 1/8 3/4 4 15/16 1 1/2 1 13/16 2 7/8 3/4 3/4
RESIDENTIAL PRESSURE RELIEF VALVE (150 PSI/200,000 BTU)
50443PR 3 ⁄4" 1/8 3/4 4 15/16 1 1/2 1 13/16 2 7/8 3/4 3/4
COMMERCIAL PRESSURE RELIEF VALVE (150 PSI/2,703,000 BTU) & 3⁄4" CLOSE NIPPLE
50443PR2 3 ⁄4" 1/6 3/4 4 15/16 1 1/2 1 13/16 2 7/8 3/4 3/4
TEMP °F PSI
100 600
150 485
180 431
ITEM # SIZE CTN/CASE A B C D E F G
60443 3⁄4" 1/8 3/4 6 1/8 1 3/4 1 7/8 2 7/8 3/4 3/4
RESIDENTIAL PRESSURE RELIEF VALVE (150 PSI/200,000 BTU)
60443PR 3 ⁄4" 1/8 3/4 6 1/8 1 3/4 1 7/8 2 7/8 3/4 3/4
COMMERCIAL PRESSURE RELIEF VALVE (150 PSI/2,703,000 BTU) & 3⁄4" CLOSE NIPPLE
60443PR2 3⁄4" 1/6 3/4 6 1/8 1 3/4 1 7/8 2 7/8 3/4 3/4
TEMP °F PSI
100 200
150 200
180 200
Kits include 2 MIP × PUSH Fittings
RESIDENTIAL PRESSURE
RELIEF VALVE
(150 PSI/200,000 BTU)
INCLUDED WITH 6044 SERIES
(2) MIP × PUSH FITTINGS
(200 WOG/200° MAX)
COMMERCIAL PRESSURE RELIEF VALVE
(150 PSI/2,703,000 BTU)
& 3⁄4" CLOSE NIPPLE
B
E
G
19
18 17
16
20
C
D
A
F
1
14
12 13 15
4
3
76
2
11
5
8
10
9
F
F
SE
NIP
PL
F
F
A
A
Speci cations: Designed for residential or commercial use with potable water. This approved Webstone valve features an adjustable packing gland. Threaded ends comply with ANSI B1.20.1. Solder
joint temperature ratings are per ASME B16.18 Annex A for 95-5 solder. Other solder materials have lower pressure/temperature limits. Do not silver braze or overheat valves when soldering.