3M Water Filtration 1/2" NH3-NPT Head w/gauge Sulfur & Manganese and they are used as

and they are used as a safety measure to ensure that there is no back flow of water entering into the tank of the chiller

Removing and replacing this filter is easily accomplished with a quick twist

this quick-change filter head supports commercial water filtration systems with ease

Sundance Spas: 6540-471

3M Water Filtration 1/2" NH3-NPT Head w/gauge Sulfur & Manganese and they are used asFeatures: Non valved head 1 2" female NPT With pressure gauge For use with multiple Solventum cartridges: This Solventum head utilizes Solventum kit # 62165 01, which includes (1) 1 2" FPT x 1 2" FPT Ball Valve and (1) 1 2" Nex Nipple. Save electricity and boost your ice production volume with the compatible ChillTech Heat Exchanger. Increase ice production up to 30% Reduce your ice maker cycle times Lowers kWh consumption up to 30% Includes 2 year