Belimo B209+LF24-SR-S US Belimo CCV,0.5",2 Way,0.8 Cv,w/ Spring Return,24V,Modulating,SW B209+LF24-SR-S US
Belimo B209+LF24-MFT-S US Belimo CCV,0.5",2 Way,0.8 Cv,w/ Spring Return,24V,MFT,SW B209+LF24-MFT-S US