Silent Master SM1, SM2, S720r2 Circuit Board Dual Motor ORIGINAL

This board contains a relay, transformer, mini breaker, ground, and two pairs of low voltage leads. This circuit board control module is 2.5" high from metal frame to top of reset button. Mount this control board through holes from within the vacuum. The reset button and low voltage stems which are threaded and included nuts hold the board in place. The external mounting nuts are included. Click on photo and print it to use as wire placement instructions. NOTE: This board does not work on all vacuums and quarter inch female spade terminals are not included. See Q&A to the right for some more brand specific help. In the photo there is a 2.75" dimension from the outer edges of the reset button and low voltage connection stem. These two round structures are 2.125" - or 2-1/8" apart center to center.