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Flap flow switches, reed switch contact, 1/2” BSPP male thread, with triac cooler

Main applications: Product developed for miniature instantaneous water heaters for showers. The mobile flap system provides compactness. Water inlet is done directly by the ½” BSPP male thread. Mandatory vertical mounting, with water inlet from the bottom. Connection to internal copper piping DN8 and DN10 with quick coupling. A built in aluminum heat exchanger, in contact with the cold water input is provided to cool a triac.


Flow sensing

Main housing material

Paddle material

Mounting position

Mounting type

Pipe output dimensions



Electrical rating

Ingress protection

Electrical connection type

Electrical contact close at (L/min)

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Maximum flow detection (L/min)

Minimum flow detection (L/min)

Nominal pressure at 20°C

Max operating temperature (°C)

Liquids temperature range (°C)

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