Belimo Z2050Q-J+CQKB24-S-RR Belimo ZoneTightâ„¢,0.5",2 Way,5.9 Cv,w/ Electronic Fail-Safe,24V,On/Off,SW Z2050Q-J+CQKB24-S-RR
Belimo Z2050QPT-B+CQKB24-S-RR Belimo ZoneTightâ„¢,0.5",2 Way,0.9 GPM,w/ Electronic Fail-Safe,24V,On/Off,SW Z2050QPT-B+CQKB24-S-RR
Belimo Z3050Q-E+CQKB24-S-RR Belimo ZoneTightâ„¢,0.5",3 Way,2.7 Cv,w/ Electronic Fail-Safe,24V,On/Off,SW Z3050Q-E+CQKB24-S-RR