Belimo CQKB24-SR-LL Belimo proportional, electronic failsafe, 24 V, for 2 to 10 VDC or 4 to 20 mA CQKB24-SR-LL
Belimo Z3075Q-J+CQKB24-S-LL Belimo ZoneTightâ„¢,0.75",3 Way,5.9 Cv,w/ Electronic Fail-Safe,24V,On/Off,SW Z3075Q-J+CQKB24-S-LL
Belimo Z3050Q-E+CQKB24-S-LL Belimo ZoneTightâ„¢,0.5",3 Way,2.7 Cv,w/ Electronic Fail-Safe,24V,On/Off,SW Z3050Q-E+CQKB24-S-LL
Belimo Z3050Q-H+CQKB24-S-LL Belimo ZoneTightâ„¢,0.5",3 Way,1 Cv,w/ Electronic Fail-Safe,24V,On/Off,SW Z3050Q-H+CQKB24-S-LL