TecMark Pressure Switch - 1/8 Inch NPT - SPST for-use-with_Concrete/Gunite This is an ELC-810 Tri-Sensing

This is an ELC-810 Tri-Sensing Water Level Controller for sight glass applications with a 50 foot cable length

This pool depth marker states 0 and is printed with 4 Inch letters and has an overall size of 6 x 6 inches

This is a Hayward HAXNIP1930 Flange Pipe Nipple for H-Series Induced Draft

Treatment of your spa water with Spa Perfect will also continuously work as a filter cartridge cleaner

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TecMark Pressure Switch - 1/8 Inch NPT - SPST for-use-with_Concrete/Gunite This is an ELC-810 Tri-SensingThis is a TecMark Pressure Switch with a 1 to 5 PSI rating. It is a single pole single throw (SPST), normally open. It features a stainless steel body and threads for extended service life. The plumbing connection is 1 8 inch NPT.