Cyclone Blocked Outlet Switch This is a click-to-call button

This is a click-to-call button which will open your smartphone's keypad

Smith Ignition Control Board for BTR-500

or Lochinvar equipment

Prefer to talk to a Live Person

Call WHD and talk to a live person who will understand your requirements and recommend the right parts

Cyclone Blocked Outlet Switch This is a click-to-call buttonNot Sure What Part You Need? For AO Smith, State, or Lochinvar equipment, if you do not have, or do not know what part number you need, please use our Part Inquiry Form and we will help you determine the correct part for your application. GO TO PART INQUIRY FORM The Part Inquiry form will open in a new browser tab which makes it super easy to copy details of the part you are viewing on this page onto the inquiry form! Prefer to talk to a Live Person?