Hi-Flow Backwash Valve With Plumbing 2 Inch Side Mount (D.E.) 120 GPM reagent-size_32 oz This is a Schedule 80

This is a Schedule 80 Van Stone Flange with a 1-1/2 inch slip connection

This Stenner chemical pump #85MJH1A3STAA provides reliable chemical feeding for your swimming pool

This is a Stenner 15 Gallon Gray Chemical Tank System with 45MPHP2 Model Fixed Flow Pump

This is a reliable yet simple programmable controller that features automatic maintenance of water chemistry (ORP and pH) with a display of the Langelier Saturation Index

there is a concern with bicarbonate alkalinity which should be between 80 and 120 ppm

Hi-Flow Backwash Valve With Plumbing 2 Inch Side Mount (D.E.) 120 GPM reagent-size_32 oz This is a Schedule 80The side mounted Hi Flow valve is designed for maximum performance and working pressures. Body made of PVC. Available in 2 inch slip models.