Raypak 601769 Pool Spa Heater PCB Control Circuit Board 1134-403 1134-83-403A. Used in Excellent Working Condition. Refurbished LONOX tab (see pictures). EChecks must clear before item(s) are released. Tracking information will be available upon request. We do our best to ensure the accuracy of every listings. Unfortunately, do to our high volume, mistakes sometimes occur. Get images that make Supersized seem small. Showcase your items with Auctiva’s. Track Page Views With.