Caleffi Z111000 Z-One 24-Volt Normally Closed Valve Actuator with AUX Switch<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Automatically shut-off or redirect hot or chilled water in hydroid and air conditioning systems</li><li>Compact Size</li><li>Suitable to fit inside baseboard or directly in fan coil units</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31Z54MwJBYL.jpg" noproxy>