The Jabsco 18916-1040 Pressure Switch is a genuine replacement pressure switch designed to maintain reliable automatic operation of Jabsco freshwater pressure pumps. Factory preset to 40 PSI, this switch automatically starts and stops the pump as water demand changes, ensuring consistent water pressure throughout your boat's freshwater system.

Manufactured to Jabsco's high standards, the 18916-1040 restores proper pump performance when replacing a worn or faulty pressure switch. It is ideal for marine freshwater systems on boats, yachts, RVs, caravans, and other 12V or 24V water pressure systems using compatible Jabsco pumps.

Designed for easy replacement, this genuine Jabsco part helps extend the service life of your freshwater pump while maintaining smooth, reliable water flow.

Features

• Genuine Jabsco® replacement part

• Factory preset 40 PSI pressure switch

• Restores proper automatic pump operation

• Maintains consistent freshwater pressure

• Direct replacement for compatible Jabsco pumps

• Durable marine-grade construction

• Easy installation

• Suitable for freshwater pressure systems

• Ideal for boats, yachts, RVs, and caravans

Specifications

• Brand: Jabsco

• Manufacturer Part Number: 18916-1040

• Product Type: Replacement Pressure Switch

• Pressure Setting: 40 PSI

• Application: Freshwater Pressure Pumps

• System Type: Automatic Water Pressure System

• Compatibility: Compatible Jabsco freshwater pressure pumps

• Installation: Direct Replacement

Applications

Ideal for:

• Marine freshwater systems

• Boats and yachts

• RV water systems

• Caravan water systems

• Freshwater pressure pumps

• Replacement pump maintenance

Weight

• Approximate Weight: 2.8 oz (0.18 lb / approximately 80 g)