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Typical Manifold STP/IST's
Notes: 14" on center offset shown is recommended minimum with installation of STP/IST #1 prior to that of STP/IST #2. A smaller offset or other changes to the STP/IST installation may require a larger sump riser diameter, alterations or additions to the piping shown, turning of the STP/IST's other than shown to accommodate piping, or disassembly of the junction box from the STP/IST to allow for turning of assembly into the tank. Minimum offset of STP/IST's is 12".
*STP/IST must be used with either the STP-SC or IST-VFC (IST 2 HP only) controllers for proper mechanical line leak detection, see TB013 for details.
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