Product information

Description

General description

Pressostat SK-9 is a mechanical pressure switch designed for domestic water installations operating at 230V. It is suitable for various applications including water pumps, expansion tanks, and garden pumps. This single-phase device automatically activates the pump based on water pressure, ensuring efficient operation.

Technical specifications

Input voltage: 220-240V

Max current: 10A

Max pressure: 6 bar

Pressure adjustment range: 1.4 to 4.1 bar

Start pressure adjustment: 1.4 - 2.8 bar

Temperature range: 0 - 55°C

Connections: 13 mm (1/4 inch)

Weight: 0.376 kg

Dimensions (H x L x W): 110 mm x 105 mm x 65 mm

Material: Metal / Plastic

Color: Black

Protection class: IP44 (splash-proof)

Installation

To adjust the pressure switch, follow these steps:

Loosen the differential nut (2)

Set the start pressure (1)

Tighten the differential screw (2) to the stop pressure

Note: If your pump exceeds 1.1 kW, a power connector or relay must be installed upstream.

Usage

The pressostat operates by monitoring the water pressure in the circuit. When the pressure drops below a certain threshold, the pump is activated and will stop once the desired pressure is restored.

Other information

Reference: 50622
Registration number WEEE: DE45283704

Features

Brand
ONTWAY
Warranty
2 year(s)
Pipe thread size
1" (26x34)
Height
150 mm
IP rating
IP44

Customer reviews

3,8

/ 4 Reviews

Reviews verified by ManoMano

Sserge

Published on 12/11/2025, France

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Pressostat SK-9 230V 1-phase pour pompe domestique pompe puits