
L-20-D Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $29.95 | Top Pick! Condition is New, CSH Inc. L-20-D Mechanical Float Switch Sump Pump Application, shipping cost = $8.75 | 99.8% |
![]() | $39.95 | Condition is New, CSH Inc. L-20-D Wide Angle Liquid Level Float Switch For Emptying Tanks 15A, FREE SHIPPING | 99.7% |
![]() | $45.00 | Condition is New, L-20-D Mechanical Float switch (Normally open) Sump pump application by CSH- New, FREE SHIPPING | 100.0% |
![]() | $50.00 | Top Pick! Condition is New, CSH Inc. L-20-D 012M1A Mechanical Float Switch, shipping cost = $28.80 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $20.00 | Condition is New – Open box, CSH Inc. L-20-D Wide Angle Liquid Level Float Switch For Water Tanks 15A, shipping cost = $10.30 | 100.0% |
![]() | $40.00 | Condition is New – Open box, CSH Inc. L-20-D 012M1A Mechanical Float Switch, shipping cost = $21.71 | 100.0% |

The CSH-L20-D Mechanical Float Switch from Little Giant is a reliable and effective solution for automatic water pumping in sump pits and other applications. This float switch is designed to work seamlessly with submersible sump pumps, ensuring that water is pumped out when necessary and preventing potential flooding.
The CSH-L20-D is constructed from high-quality materials, including a durable plastic float and a corrosion-resistant metal switch assembly. The float is designed with a large, smooth surface area, which allows it to easily glide up and down in the water without getting snagged on debris. The switch assembly is designed to be long-lasting, with a robust design that can withstand the rigors of continuous use in wet environments.
The switch operates on a simple yet effective principle: as the water level in the sump pit rises, the float rises with it. When the float reaches a pre-determined height, it activates the switch, which in turn turns on the connected sump pump. Once the water level drops back down, the float returns to its lower position, deactivating the switch and allowing the pump to automatically shut off.
This mechanical float switch is easy to install, with a straightforward design that requires no external power source. It can be used in a variety of applications, including residential and commercial sump pits, as well as industrial water transfer systems. The switch is also compatible with a wide range of sump pumps, making it a versatile and practical addition to any water management system.
In summary, the CSH-L20-D Mechanical Float Switch from Little Giant is a dependable and efficient solution for automatic water pumping. Its durable construction, easy installation, and compatibility with a range of sump pumps make it a valuable tool for anyone looking to manage water in their home or business.
Pros and Cons of Buying a CSH L-20-D Mechanical Float Switch Sump Pump
The CSH L-20-D mechanical float switch sump pump is a common choice for residential and small commercial applications due to its simple design and affordability. Here are some pros and cons to help you make an informed decision about purchasing this sump pump.
Pros:1. Cost-effective: The CSH L-20-D is an affordable option compared to other sump pumps, making it a popular choice for those on a budget.
2. Easy to install: This sump pump comes with a universal mounting pattern, making it compatible with most sump basins. Its simple design also makes the installation process relatively straightforward.
3. Reliable: The mechanical float switch design is known for its reliability. It automatically turns the pump on when the water level rises and turns it off when the water recedes, ensuring consistent operation.
4. Durable: The cast iron housing and corrosion-resistant stainless steel switch provide excellent protection against rust and other forms of corrosion, ensuring long-lasting performance.
Cons:1. Limited capacity: The CSH L-20-D has a relatively low flow rate and can only handle small to medium-sized applications. It may not be suitable for larger sump basins or applications requiring higher water removal rates.
2. Manual reset: If the float switch gets stuck or fails, the sump pump will need to be manually reset. This can be inconvenient and time-consuming, especially during heavy rainfall or power outages.
3. No power backup: This sump pump does not come with a battery backup system, so it may not function during power outages.
In conclusion, the CSH L-20-D mechanical float switch sump pump is a reliable and cost-effective solution for small to medium-sized applications. Its easy installation and durable design make it a popular choice among homeowners and small business owners. However, its limited capacity, manual reset, and lack of power backup may not make it the best option for larger applications or those requiring constant power.
Recommendation:If you have a small to medium-sized sump basin and are on a budget, the CSH L-20-D mechanical float switch sump pump is an excellent choice. However, if you have a larger application or require a more robust solution, you may want to consider a more advanced sump pump with a battery backup system and automatic reset feature.
Details:
L-20-d mechanical float switch sump pump application. Need this urgent. Important shipping notes. If they are used working items pulls.
Free shipping includes ground advantage.
specifications maxohvac:
- brand: Csh
- mpn: L-20-d
- type: Float Switch
- country of origin: United States
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
seller maxohvac:
- rating: 99.8%
- city: quebeck, tennessee
- # reviews: 980
shipping maxohvac:
- transit: 4-9 days
- type: calculated
- class: expedited, standard, one-day
- service: usps priority mail, ups ground, usps priority mail express, ups next day air
- carrier: usps, ups
offer maxohvac:
- best offers: true
- prices: $20.00–$50.00
- item condition:
- New
- New – Open box
- sold #: 7
- options: ship-to-home
- availability: in stock
- in stock #: 5
- started: march 19, 2026
returns maxohvac:
- policy: returns accepted
- paid by: seller
- method: money back
- time: 30 days
payments maxohvac:
- wallet: paypal
- other
- credit card: discover





