Belimo B215HT186+LRB24-3-S Belimo HTCCV,0.5",2 Way,1.86 Cv,w/ Non-Spring,24V,Floating,SW B215HT186+LRB24-3-S
Belimo B215HT186+TFRB24-SR-S Belimo HTCCV,0.5",2 Way,1.86 Cv,w/ Spring Return,24V,Modulating,SW B215HT186+TFRB24-SR-S