An atmospheric break or approved back flow prevention device shall be provided in each pool water supply line that is connected to a public water supply.
Vacuum breakers shall be installed on all hose bibbs.
D.C. Mun. Regs. tit. 25, r. 25-C6419
An atmospheric break or approved back flow prevention device shall be provided in each pool water supply line that is connected to a public water supply.
Vacuum breakers shall be installed on all hose bibbs.
D.C. Mun. Regs. tit. 25, r. 25-C6419