Product Description
Cash Acme .5" Vacuum Relief Drilled Vent With Dust CoverDesigned to protect hot water supply systems and pressure vessels against negative pressure
Low profile design with slotted vent hole
Max incoming pressure 200 psi
Max temp 210° f
Certified to ansi z21.22/csa 4.4
Prevents internal vacuum conditions
Guards against siphonage, burnt out heaters and collapsing of storage tanks and negative pressure
Opens quickly in emergency situations on a 1" mercury vacuum
Every valve is tested for performance prior to shipping
The vent hole is protected by a circular dust cover that is approximately 1.75" dia ^
Product Videos
Custom Field
MFG Part 22397LF
UNSPSC Code 40141606
