Honeywell S688A1007 Sail Switch</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Simplified installations with multi-speed fans， in- accessible air handlers， fan motors with voltage or phase different from controlled equipment; eliminated wiring to system fan</li><li>Polyester film sail mounted on a micro switch snap switch</li><li>Removable spring counterbalances sail to allow mounting in either vertical (up or down) or horizontal air flow</li><li>Low air velocity switch operation makes at 250 fpm and breaks at 75 fpm</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/41uO0pMG3RL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41FWNaw48wL.jpg' noproxy></br>