Taco ZA024Q4A1 Zone Sentry Replacement Actuator Head<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Uses up to 93 percent less energy</li><li>Multi-function LED light assists with troubleshooting</li><li>Replaces Taco EN024Q42 and AN024Q4A2 actuator heads</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41mmB3LICOL.jpg" noproxy>