ECO Switch – Ayamar Nautico https://www.ayamarnautico.com A Leading Chandlery Serving Southern Spain and the Algarve Sat, 21 Feb 2026 12:16:36 +0000 en-GB hourly 1 https://www.ayamarnautico.com/wp-content/uploads/2024/10/favicon.ico ECO Switch – Ayamar Nautico https://www.ayamarnautico.com 32 32 Rule Mercury Free ECO Switch Bilge Pump Control Switch 24V https://www.ayamarnautico.com/product/rule-mercury-free-eco-switch-bilge-pump-control-switch-24v/ https://www.ayamarnautico.com/product/rule-mercury-free-eco-switch-bilge-pump-control-switch-24v/#respond Sat, 21 Feb 2026 12:10:41 +0000 https://www.ayamarnautico.com/?post_type=product&p=6238 Mercury-free 24V automatic bilge pump control switch operating via air pressure system with no submerged electrical connections.

]]> The Rule 39-24 Mercury Free ECO Switch is a 24V automatic bilge pump control switch designed as an ecological and reliable alternative to traditional float switches. Instead of a mechanical float mechanism, the ECO Switch operates using air pressure. As water rises in the bilge, air inside the attached sensing tube is compressed, activating the switch and starting the pump. When the water level drops, pressure decreases and the pump switches off.

This design contains no moving internal parts and no submerged electrical connections, as all wiring remains outside the water. The mercury-free construction makes it environmentally sound while reducing the risk of mechanical jamming caused by debris. The ECO Switch is suitable for controlling non-automatic bilge pumps within appropriate amperage limits and provides dependable automatic operation in 24V marine electrical systems. It offers a practical solution for vessels requiring enhanced reliability in contaminated or debris-prone bilge environments.

Technical Specifications

  • Type: Air pressure activated switch

  • Voltage: 24V DC

  • Mercury-free design

  • No submerged electrical connections

  • No moving internal parts

  • Datasheet

Application

  • Automatic control for non-automatic bilge pumps

  • 24V marine electrical systems

  • Suitable for debris-prone bilges

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