Harwil Flow Switch

The Harwil Flow Switch is specifically designed for water flow detection in various hot tub and spa systems. Its compact and robust design makes it a sustainable choice for spa owners. This switch is often used in systems with a Laing heater and Laing circulation pump and provides essential protection against pumps running dry.

Key Features:
Compatibility: Suitable for brands such as Aresian, Dimension 1, Sundance, LA Spas, and more.
Connection: 3/4 inch barb straight-through connection for easy installation.
Dimensions:
Length: 125mm.
Height: 65mm.
Electrical Connection: Small white plug for direct connection to the PCB.
Durability: Designed for long-term use in demanding spa environments.
Technical Specifications:
Specification Details
Manufacturer Harwil
Product Type Flow Switch
Connection 3/4 inch barb straight-through
Total Length 125mm
Height 65 mm
Compatibility Aresian, Dimension 1, Sundance, LA Spas
Installation Instructions:
Preparation: Check all other possibilities for low current faults before replacing the switch.
Location: Attach the switch to the existing plumbing using the 3/4 inch barb connection. Ensure the direction of water flow is correct.
PCB Connection: Connect the small white plug directly to the printed circuit board (PCB).
Testing: Check the operation of the pump and heating system after installation.
Caution: Ensure the water flow is adjusted correctly and that there are no blockages in the pipes.

Benefits:
Easy installation: Plug-and-play connection for quick assembly.
Reliable design: Durable and resistant to harsh conditions.
Widely applicable: Compatible with various makes and models.
Safety: Prevents pumps from running dry and protects against damage to the system.
Summary:
The Harwil Flow Switch is a robust and versatile solution for water flow detection in hot tubs. Ideal for systems with Laing heaters and Laing circulation pumps, this switch offers reliable performance and easy installation. Perfect for use with brands such as Aresian, Dimension 1, Sundance, and LA Spas. An essential component for ensuring efficient and safe operation of your spa.