A bilge pump is an essential tool that helps keep the boat afloat whenever it starts taking on water. It works by quickly pumping out water from inside the boat, subsequently keeping the small vessel high and dry. Nevertheless, for the pump to function effectively, it requires a float switch.
As the name implies, a float switch is a device that triggers the bilge pump on whenever there is excess water in the boat and then turns the pump off once the boat is dry. The float switch detects the level of water in the pump before automatically switching it on and off, accordingly. If the float switch is malfunctioning, your boat could sink.
So what is the best bilge pump float switch? Here is a list of 5 different float switches you could consider for your boat.
COMPARISON OF Best Bilge Pump Float Switch
Name | Brand | Volt | Our Rating | Price |
---|---|---|---|---|
Shoreline Marine Bilge Pump with Float Switch | Shoreline Marine | 12 Volt | ||
Shoreline Marine Bilge Pump Float Switch | Shoreline Marine | 12 Volt | ||
Rule Rule-A-Matic Plus Float Switch | Rule | 12/24/32 Volt | ||
Rule SuperSwitch Float Switch | Rule | 12 Volt | ||
Attwood 4201-7 Float Switch with Cover | Attwood | 12/24 Volt |
1. Shoreline Marine Bilge Pump with Float Switch
If you want to avoid going through the trouble of replacing or installing a new float switch, then you should invest in a bilge pump that comes with one.
The Shoreline Marine Bilge Pump consists of a pre-installed float switch that efficiently moves water out of the boat, keeping it afloat. Moreover, the pump comes complete with a mounting bracket and auxiliary accessories, making the installation process extremely easy.
Unlike other switches that work manually, this float switch sensor works automatically by triggering the pump whenever the water level surpasses the minimum limit. It then turns the pump off once the water level drops.
As far as durability is concerned, the float switch is configured using marine-grade wiring to ensure the mechanical components can withstand harsh, corrosive conditions when submerged in water. Moreover, the pump consists of an impeller that ensures the motor does not heat up, subsequently boosting the life of the switch.
Advantages
- Float switch pre-installed with pump Automatic operation
- Marine-grade wiring for enhanced durability
- Extremely affordable
Disadvantages
- The pump comes sealed making it impossible to troubleshoot the float switch
2. Shoreline Marine Bilge Pump Float Switch
Shoreline Marine is a brand renowned for manufacturing high-quality bilge pumps and related accessories. It is therefore not surprising that this unit is one of the best bilge pump float switches available on the market today.
Amazingly, this automatic lever type switch is very easy to set up. The package includes mounting hardware for easy installation and steady support. Moreover, it comes with a wiring diagram, making it easy for newbies and do-it-yourselfers to install the switch without involving a professional.
The best part is that it is compatible with most 12-volt DC bilge pumps with a maximum output of 10 amperes, eliminating the need for using trial and error when searching for the bilge pump float switch for your boat.
What is more amazing is that the switch activates the pump automatically, meaning that you do not have to turn it on manually. Furthermore, the unit is submersible, and it comes with tinned marine-grade wiring, making it ideal for use in extremely wet conditions.
Advantages
- Package includes wiring diagram for easy installation
- Automatic operation
- Comes with marine-grade wiring
- Does not contain mercury
- Excellent pricing
Disadvantages
- Only activates the pump when the water is above 3 inches in the bilge
3. Rule Rule-A-Matic Plus Float Switch
The Rule Rule-A-Matic Plus Float Switch is another brand worth checking out. The switch comes with a handful of important auxiliary features that may help keep your boat high and dry even in extreme conditions.
Notably, installing this unit is relatively easy, as it does not come with complex parts or components. Moreover, it a built-in test kit that you can use to assess the functionality of the switch before setting sail.
In terms of performance, this rugged float switch is tailored for bilge pumps drawing up to 20 amperes max with a voltage ranging from 12V to 32V. It works by turning on the pump when the water level reaches 2 inches and then turning off the pump when the level drops to ¾ inches. The fact that it supports advanced marine grade pumps makes it ideal for high water alarm systems as well.
When it comes to resilience, the unit features a 14-gauge highly abrasive resistant marine grade wire that protects the switch from malfunctions in harsh, corrosive settings. It also comes with a protective cover that shields the ignition against debris and jamming.
Advantages
- Features a rugged, protective cover
- Comes with a built-in test feature
- Can be used for high water alarm systems
- 2-year extended warranty
Disadvantages
- The acrylic material used is not heat resistant
4. Rule SuperSwitch Float Switch
The Rule SuperSwitch Float Switch is a perfect choice for anyone looking for a larger switch. Apart from increasing buoyancy, this type of switch is tailored for heavy vessels and tough applications. Moreover, the switch is capable of handling high-performance pumps with amperage of up to 20 amps.
Interestingly, installing this bilge pump float switch is extremely easy, despite its advanced features. You just need to remove the old switch from the current mount and replace it with this new unit with no further assembly required. However, this is only applicable if you are replacing an existing switch.
Another adorable feature about this switch is that it is very easy to maintain. This is because it comes with a removable base for swift servicing. It also features a 14-gauge marine-grade wire that is resistant to corrosion and harsh weather conditions. This ensures that the switch can serve you for years without malfunctioning due to extreme settings.
Additionally, Rule SuperSwitch is eco-friendly, as it does not contain mercury. This makes it ideal for boat owners who are mindful about the environment. Backed by a 5-year warranty, there is no doubt that this unit is among the top bilge pump float switches available today.
Advantages
- Very easy to install
- Resilient to tough conditions
- Large dimensions for increased buoyancy
- Removable base for easy maintenance
Disadvantages
- Newer versions might not be as efficient as older versions
5. Attwood 4201-7 Float Switch with Cover
If you are sick and tired of using a manual bilge pump and your budget does not allow you to replace the entire pump for an automatic one, then consider acquiring the Attwood 4201-7 float switch. This compact float switch converts any manual pump into an automatic pump in a single instance. Moreover, the switch mounts on any horizontal surface up to a 24-degree angle, making it ideal for any type of boat.
What is more interesting is that the switch comes with a test knob that you can use to determine whether it is operable before setting sail. Additionally, it actuates the pump’s motor at only 2 inches water level, ensuring that your boat remains dry and afloat at all times.
What sets this unit in a class above the rest is the fact that it comes with so many safety and protective features. Firstly, the sealed switch mechanism is resistant to electrical shock, moisture, and fumes. In addition, the ignition features a RoHS compliant cover that protects it from harsh conditions.
Advantages
- Compact design
- Converts manual pumps into automatic units
- Easy to install and maintain
- Mounts on any surface
- Comes with a test knob
Disadvantages
- Not fully submersible
bilge pump float switch installation ( Quick Video )
Conclusion – So what is the best pick?
Shopping for the best bilge pump float switch is not easy even for the most experienced boat owners and vessel operators. However, this review goes a long way to narrow down your options, helping you find the ideal switch to suit your boat. After thorough deliberations, our team of editors and reviewers settled for the Rule SuperSwitch Float Switch as it is large, efficient and ideal for all types of applications.
Also, you can learn more Best LS Oil Pump to improve your skills!
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