Johnson Pump Electro-Magnetic Bilge Pump Float Switch - MW
Johnson Pump Electro-Magnetic Bilge Pump Float Switch
The Johnson Pump Electro-Magnetic Bilge Pump Float Switch offers a combination of reliable solid state electronics and a sealed float switch. It activates the bilge pump at 2" water level, and deactivates the pump at 3/4" water level. With high-impact plastic and false start-prevention, this bilge pump float switch is an ideal choice among many and will provide long lasting use and extreme durability.
Direct replacement to older Mayfair Electro-Magnetic bilge pump float switches.
Features:
- False Start Prevention
- High-Impact Plastic
- Encapsulated Electronics
- No Mercury
- Activates Pump at 2" Water Level
- Deactivates Pump At 3/4" Water Level
Specifications:
- Voltage: 12V
- Max Amp: 15 AMPs
- Dimensions: 3"L x 1-1/2"W x 3-1/4"H
Frequently Asked Questions
What does the Johnson Pump Electro-Magnetic Bilge Pump Float Switch do?
The Johnson Pump Electro-Magnetic Bilge Pump Float Switch is designed to automatically turn a bilge pump on and off based on water level. It combines solid state electronics with a sealed float switch for dependable bilge pump control.
At what water levels does this float switch activate and deactivate the pump?
This float switch activates the bilge pump at a 2" water level and deactivates it at a 3/4" water level.
What features help make this float switch durable and reliable?
This float switch features high-impact plastic construction, encapsulated electronics, and false start prevention. It also uses a sealed design and contains no mercury, which helps support long-lasting marine use.
Is this float switch a replacement for older Mayfair models?
Yes. This switch is a direct replacement for older Mayfair electro-magnetic bilge pump float switches.
What are the voltage and amperage ratings for this float switch?
This float switch is rated for 12V operation and a maximum load of 15 amps.

Proudly serving customers across United States & Canada with Marine, RV parts and accessories.
Shipping Warehouse Locations:
New Jersey, USA
Florida, USA
- Contact Us
- Phone: 1-613-328-3992
About Us
Our goal is simple: to deliver the best quality marine parts you can count on. We focus on dependable service, fast shipping, and proven products that are either American-made or American-tested and approved for quality and reliability.
