ACT D'MAND KONTROLS System S3-100 Series System
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<b>[Product Information]</b><br>
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<li>System includes an electronic circuit board, thermosensor mounted in stainless steel volute, 3/4" CPVC threaded connections and internal check valve</li>
<li>Recommended for use with dedicated return lines in buildings up to 4,000 sq. ft. with tank water heaters</li>
<li>Pipe runs up to 200 lineal ft. with tankless water heaters</li>
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