Intermatic P1100 Series 115V 20A Timer with 22" Twist-Lock Cord (P1131) dimensionone A gasket like this is

A gasket like this is useful because it helps support cleaner sealing within the valve

and this Intermatic version is an 8-pole insulator-style assembly using the 12400140A reference

Off-line chlorinators are especially practical when a system benefits from a separate feeder installation rather than an inline setup

Helps monitor water flow for equipment operation

Improves confidence in daily spa use

Intermatic P1100 Series 115V 20A Timer with 22" Twist-Lock Cord (P1131) dimensionone A gasket like this isThe Intermatic P1100 Series 115V 20A Timer with 22" Twist Lock Cord is a plug in style timer designed for compatible equipment that uses a twist lock connection. It provides scheduled control for supported loads and is commonly used where a portable or cord connected timer setup is preferred over a hardwired control. Before ordering, confirm the plug configuration, voltage, amperage, cord length, and equipment requirements. The connected load must be