Coates 61L/E-6 Hi-Limit Sensor [5/16" dia] [12"] [SPST] [Screw Terminal] (22003820) pumpparts Precision fit for AquaFlo systems

Precision fit for AquaFlo systems

Replacing a worn impeller helps improve overall system efficiency and consistent operation

This component supports balanced water flow while helping reduce unnecessary wear on surrounding parts

A pre-filter can be a smart addition when the goal is to improve incoming water quality before it reaches the spa

A correctly matched cable is often a key part of a clean heater-side repair

Coates 61L/E-6 Hi-Limit Sensor [5/16" dia] [12"] [SPST] [Screw Terminal] (22003820) pumpparts Precision fit for AquaFlo systemsA hi limit sensor helps protect the heater by responding when temperature conditions move beyond the intended operating range, and this Coates sensor is designed for compatible 61L and E 6 applications using a 5 16 inch diameter probe, 12 inch length, SPST operation, and screw terminal connection. When a safety sensor becomes unreliable, the entire heater can lose an important layer of operating confidence. The probe size, 12 inch lead relationship,