Cash Acme® .5" Vacuum Relief Drilled Vent With Dust Cover
Designed 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 ^
California residents: Prop 65 Warnings
Warning
WARNING: This product can expose you to chemicals including Lead, which [is] are known to the State of California to cause cancer and birth defects or other reproductive harm. For more Information go to www.P65Warnings.ca.gov
