Belimo ZONE215S-25+ZONE24NO-S Belimo Zone Valve,0.5" ,2 Way,2.5 Cv,w/ Spring Return,24V,On/Off,SW ZONE215S-25+ZONE24NO-S
Belimo ZONE220S-50+ZONE24NO-S Belimo Zone Valve,0.75" ,2 Way,5 Cv,w/ Spring Return,24V,On/Off,SW ZONE220S-50+ZONE24NO-S