Harwil Flow Switch 1/2"SKT x 3/4"Barb Tee, 2PIN Connector, 2' Cord Q-12DS-C2

The Harwil Flow Switch Q-12DS-C2 is a reliable solution for monitoring water flow in pool and spa systems, protecting key equipment such as heaters, chlorinators, and ozone systems. This model is trusted for its versatility, ease of installation, and dependable switching action, making it a popular choice for hot tubs and spas like Dimension One and Beachcomber.

Key Features & Benefits

Monitors and ensures proper water flow, preventing equipment damage from low or no-flow conditions.
Tee design allows easy installation into 1/2" slip (SKT) or 3/4" barb pipe connections.
2-pin connector with a 2-foot cord provides a secure, plug-and-play connection for spa and pool control systems.
Transparent plastic body enables quick visual flow checks and durable performance.
Compatible with many Dimension One and Beachcomber spa models.
Helps protect heaters by sending the correct signal only when sufficient flow is detected.

Specifications

Model: Q-12DS-C2
Connections: 1/2" slip tee x 3/4" barb fitting
Cord: 2 feet with 2-pin female connector
Flow Range: 0.7 to 590 GPM
Max Working Temperature: 200°F (93°C)
Max Pressure: 250 psi
Dimensions: Approx. 98 mm length, 68 mm height, body length 28 mm, total height 61 mm
Typical Use: Hot tub, spa, and pool systems for flow monitoring and equipment protection

This flow switch provides critical safety and operational reliability, making it an essential part for modern pool and spa control applications.

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