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Potter Electric Signal Company has announced upgrades to its Retrofit Ball Valve Supervisory Switch (RBVS) Tamper/Supervisory switch. Originally developed to monitor the position of a ball valve installed on a sprinkler system, the RBVS has been redesigned to allow more room for wiring during installation. The upgraded RBVS kit also now includes extra mounting hardware allowing it to be installed on solenoids to supervise the position of the coil which will be a requirement in NFPA 13 beginning in 2021. For more information, visit www.pottersignal.com
