Belimo B215B+TFRB24-SR-S Belimo CCV,0.5",2 Way,10 Cv,w/ Spring Return,24V,Modulating,SW B215B+TFRB24-SR-S
Belimo B215+TFRB24-SR-S Belimo CCV,0.5",2 Way,10 Cv,w/ Spring Return,24V,Modulating,SW B215+TFRB24-SR-S