honeywell smart valve operation, testing, wiring! hvac gas furnace training! Published 6 months ago • 27K plays • Length 18:40 Download video MP4 Download video MP3 Similar videos 3:31 how smart valve furnaces work and troubleshoot. 3:18 honeywell smart valve testing-workbench series 11:42 finding low voltage shorts fast! hvac troubleshooting!