RP/IS-A-400B400B Installation, Maintenance, & Repair Series 400BReduced Pressure ZoneSizes: 3⁄4" – 2" (20 – 50mm)TestingFor field testin
2Installation GuidelinesIndoor InstallationFor indoor installations, make sure the Series 400B is easily accessible to facilitate testing and servicin
3Installation GuidelinesWARNING!Do not allow the drain line to empty directly into a drainage ditch, sewer system, or sump.NOTICERelief Valve Discharg
4WARNING! Depressurize valve before servicing. No special tools are required to service the Series 400B 1⁄4" – 2" (8 – 50mm).Before servici
5Maintenance Instructions WARNING! Depressurize valve before servicing. No special tools are required to service the Series 400B 1⁄4" – 2" (
6Testing ProceduresReduced Pressure Zone Assemblies must be inspected and tested periodically, in accordance with local codes, to ensure proper operat
7Notes
For additional information, visit our web site at: www.amesfirewater.comRP/IS-A-400B 1331 EDP# 1915385 © 2013 Ames Fire & Waterworks, www.amesf
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