BUY ONLINE PICK UP IN-STORE Available for in-store products only. Learn More ›


Model # 138515 | Store SKU # 1000115772
- / Each


1/2 Inch. Vacuum Relief Valve
  • Model # 138515
  • Store SKU # 1000115772
  • 0
1/2 Inch. Vacuum Relief Valve
- / each

Overview Model # 138515 Store SKU # 1000115772

Water Heater 1/2" Vacuum Relief Valve

  • For automatic venting of closed systems to atmosphere when a vacuum is created
  • Brass body
  • Protective cap
  • Tested and rated to ANSI Z21.22
  • Opens at less than 1/2" (15mm) vacuum
  • Max working pressure :200psi



Assembled Depth (in inches) 2.5 Assembled Height (in inches) 2.56
Assembled Weight (In LBS) 1.5 Assembled Width (in inches) 2.5
Item Depth 10.12 Item Height 5.25
Item Weight 36 Item Width 7.62


Country of Origin US-United States

Warranty / Certifications

Watts Water Technologies (Canada) Inc. ("the Company") warrants each product against defects in material and workmanship for a period of one year from the date of original shipment. In the event of such defects within the warranty period, the Company will, at its option, replace or recondition the product without charge. This shall constitute the exclusive remedy for breach of warranty, and the Company shall not be responsible for any incidental or consequential damages, including, without limitation, damages or other costs resulting from labor charges, delays, vandalism, negligence, fouling caused by foreign material, damage from adverse water conditions, chemicals, or any other circumstances over which the Company has no control. This warranty shall be invalidated by any abuse, misuse, misapplication or improper installation of the product. 1-888-208-8927

Customer Reviews

Customer Reviews

Questions and Answers