[. . . ] Results may vary depending on the height and distance of the run and tank contents. The macerator is designed to process human waste and toilet tissue, making the Sani-Con ideal for black water, as well as gray water, discharges. Gray water bypass allows you to empty the gray water tank without turning on the pump (applies to selected models, only). [. . . ] When positioning the pump make sure; it is lower than the dump valve the inlet hose reaches the dump valve the power switch is accessible Do not overtighten the hose clamp when adjusting the hose length, as this may damage the hose. Fasten the box to the mounting surface using the self-tapping screws (provided). Note: Two gaskets are included with Due to different RV connections, one or both gaskets may be needed to ensure proper sealing. Make sure that the installed unit will not interfere with the operation of the gray and black water RV dump valve handles. If you are installing the unit outboard of the RV, make sure that the pump does not extend beyond the side wall of the coach. Good - cut to length Correct ­ couper à la bonne longueur Aceptable: corte a la medida Externally it must be shielded from road debris and rainwater. Also use a flexible metal strap to support the weight of the macerator. Make sure that the Sani-Con system's power switch is in the Off position. Follow all applicable RVIA / NFPA / NEC codes during the installation and when using this product. The following electrical guidelines apply to all Sani-Con systems: All Sani-Con models require a 20 AMP, 12 VDC dedicated power source. All hardwired systems must have a 20 AMP fuse or breaker installed within 18 in. You must use 10-gauge wire if the length of the wire between the SaniCon system and the power source exceeds 20 ft. Protect the wires with a sheath (not provided) to prevent the wire from getting snagged or cut during installation and use. Make sure that the Sani-Con's power switch is turned to the Off position. [. . . ] Make sure that the: The shaft does not turn when power is being supplied to the pump. Insert a flat head screwdriver into the small hole in the bottom of the motor (this is the end of the pump shaft). Seal kits are not warrantable parts; however, they are available for purchase directly from Customer Service. [. . . ]