Installation Guide
Page 2 of 2
Zurn Industries, LLC | Wilkins
1747 Commerce Way, Paso Robles, CA U.S.A. 93446 Ph. 855-663-9876, Fax 805-238-5766
In Canada | Zurn Industries Limited
7900 Goreway Drive, Unit 10, Brampton, Ontario L6T 5W6, 877-892-5216 
www.zurn.com
Typical Installation
Local codes shall govern installation requirements. Unless otherwise specified, the relief valve shall be installed in accordance 
with manufacturer’s instructions and the latest edition of the Uniform Plumbing Code ®.
Specications
The Relief Valve shall meet the requirements of the ASME Boiler and Pressure Vessel Code (Section IV) and shall be CSA De-
sign Certified (ANSI Z21.22/CSA 4.4). Where pressure only relief is required, the assembly shall be a ZURN WILKINS Model 
P1000AXL. Where temperature and pressure relief is required, the assembly shall be a ZURN WILKINS Model TP1100A, 
TP220 or TP3000.
 MODEL
TP1100A
MODEL
 VR10XL 
INLET
STORAGE TANK
DRAIN TO 
 OUTSIDE
OUTLET
MODEL 
P1000AXL
PUMP INLET
 DRAIN LINE
TERMINATING
 OUTSIDE
OUTLET
STORAGE TANK
 MODEL
TP1100A
MODEL BVECXL
 COLD
WATER
 HOT 
WATER
WATER HEATER
 DRAIN LINES
TERMINATING
 OUTSIDE
COLD WATER
HOT WATER
MODEL 
DUXL
WATER HEATER
MODEL
 XT
MODEL
 TP220
 DRAIN LINE
TERMINATING
 OUTSIDE
6” MAX
TYPICAL INSTALLATION
MODEL 
DUXL
MODEL 
DUXL


