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❑ Step 9: For cold climate installations, please install insulated risers and access covers and cover <br />upper half of treatment unit with min. R-8 value insulating material (i.e. foam board). <br />%hh 0 0 M Id� <br />❑ Step 10: Float switch electrical cord should exit riser wall through a male adaptor <br />(caulked watertight to prevent septic gas leakage) or watertight fitting. An interior <br />connection to direct burial cable is also an acceptable option. <br />For connection of float switch cord to alarm panel, <br />drill hole in riser and use male fitting and electrical <br />conduit. Plug fitting with sealant standard that LOCK WASHER <br />PVC WELDED JOINT <br />,/p PVC <br />�ELECTRICALCONDUIT <br />meets ASTM C990-96 to assure water -tight seal and <br />to prevent septic gas transmission into control FLOAT <br />WIRE <br />panel. <br />In^ Pvc THREADED <br />MALE ADAPTER <br />SUTYLSEALANT <br />PRESSED MOUND PERIMETER <br />OF THREADS <br />❑ Step 11: Backfill up to under slab level. Make sure to + Water <br />compact tightly. <br />-- - - -iJL <br />. 1, 1 . 11 � <br />27 <br />