7The following materialis recommended:4- # 10 screws ofappropriate length withround, truss or panhead�4- washers �5" OD x�0625" thickness(12 mm OD x 1�5 mm)Guide plateNow firmly attach unit towooden base by usingthe remaining 2 screwsbacked by 2 washers toattach the front feet�Note: The spa pack must be installed at least 4"(100 mm) above potential flood level. If floor is on groundlevel, pack should be raised at least 4" (100 mm).Slide back side of theunit's feet into the guideplate� It should easily slideinto place�Floor installation procedure with optional guide plateImportant! Read before starting:Please note that countersunk screws should not be used as they can damage the power box support�The heat�wav heating element must be installed in the return circuit of the main pump (pressure side)�The following materialis recommended:4- # 10 screws ofappropriate length withround, truss or panhead�4- washers �5 OD" x�0625" thickness(12 mm OD x 1�5 mm)Now firmly attach the frontfeet of the pack to thewooden floor using2 more screws backedby 2 washers�4"Floor installation procedure without guide platePart numbers:9917-102148 (in.ye guide plate)9917-100873 (in.yt guide plate)Select the most appropriatelocation on the floor forthe spa pack and firmlyattach the 2 rear feetto the wooden baseusing 2 screws backedby 2 washers�Select the location on thefloor for spa pack andfirmly attach guide plate towooden base with 2 screwsbacked by 2 washers�InstallationWarning!Beware of the application of some productscommonly used against corrosion (such asWD-40 family products) as they could damagethe pack, due to a negative chemical reactionbetween some industrial oils and its plasticenclosure� Any other materials which maycome in contact with the enclosure must becarefully evaluated under end use conditionsfor compatibility�