Double Check Valve Assembly Bronze Apollo 4ALF-100 Series - 1-1/2 Inch FNPT Connection state_Indiana Meter identifies which probe is

Meter identifies which probe is in use and rettains calibrations

Item 9-0210-11 is for Standard Outdoor Gunite pools

The Chemtrol PC5100 dual controller operates like a computer with full-screen displays and direct access to all menus and submenus

It is used for alkalinity test with Talylor Kits

pump or other method of providing make-up water

Double Check Valve Assembly Bronze Apollo 4ALF-100 Series - 1-1/2 Inch FNPT Connection state_Indiana Meter identifies which probe isHelp protect potable water supply from contamination due to the reversal of normal water flow. Valve design allows access to internal components for easier maintenance. Top mounted test cocks with SAE flare connection allow for faster testing. Stainless steel handles and trim for long life. NPT connection. Certified for use in potable water applications. Meet ASSE 1015 standard.