TecMark Pressure Switch - 1/8 Inch NPT - SPST for-use-with_Concrete/Gunite Its waterproof coating ensures easy

Its waterproof coating ensures easy cleaning

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

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Power-Flo II SP1780 and Power-FloLX SP1580 Pumps

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

TecMark Pressure Switch - 1/8 Inch NPT - SPST for-use-with_Concrete/Gunite Its waterproof coating ensures easyThis 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.