Best Side Mount Level Switches for Tanks, Pools and Hydroponics
Side mount level switches offer reliable liquid sensing for pumps, indicators, alarms, and automation. They come in a range of materials and mounting sizes to fit ponds, aquariums, toilets, and solar tanks. This guide highlights five top options and outlines what to consider when choosing a side-mounted float switch for your application. Each product features a robust build, simple installation, and compatibility with common liquids in American households and hobby operations.
| Product | Mounting | Material | Common Uses |
|---|---|---|---|
| Ximimark 3 pc Water Level Sensor | Side Mount | PP | Tank, pool, hydroponics, aquariums |
| Madison M7700 Liquid Level Sensor | Side Mount | PBT | Industrial and home tank systems |
| Maxmoral 2pcs Water Level Sensor | Side Mount (Horizontal) | PP | Aquarium, tanks, general liquid control |
| FOCMKEAS Side Mounted Sensor (2 Pcs) | Side Mount | PP | Smart toilets, solar tanks, pools |
| Madison M8750 Liquid Level Sensor | Side Mount | PP | General purpose water systems |
Ximimark Water Level Sensor Set

The Ximimark 3 piece set provides horizontal side-mounted float switches designed for tanks, pools, and hydroponic systems. A float switch senses liquid level and can actuate a pump, indicator, or alarm. The included pieces are suitable for use in hydroponics, freshwater and saltwater tanks, aquariums, and general liquid control. The construction emphasizes reliability and resistance to common wear in household and hobby environments.
Key features include a compact side-mount form and straightforward integration with standard mounting hardware. The device is described as durable and of good quality, with emphasis on ease of use in DIY and small-scale commercial setups. Users should confirm compatibility with their control circuits and power requirements, as the product is intended for general sensing applications rather than direct solenoid control.
Madison M7700 Side Mount Float Switch

The Madison M7700 is a side-mount liquid level sensor built for reliable operation in a range of tank systems. It uses a durable PBT stem and is designed for electrical ratings suitable for 240 VAC and 120 VAC circuits. With approvals including CE, UL, CSA, and Florida DEP, this unit is positioned for both commercial and home use. The device supports multiple voltage configurations and provides a robust solution for water storage, filtration, or process controls where precise float-actuated switching is needed.
Applications include water tanks, irrigation systems, and equipment that rely on level-triggered actions. While offering solid electrical ratings, users should verify compatibility with their control relays and the environment, particularly when selecting materials for aggressive liquids or high-temperature conditions.
Maxmoral 2Pcs Water Level Sensor

The Maxmoral option comes in a two-pack for horizontal side mounting, allowing backup usage or simultaneous sensing in multiple locations. Constructed from durable PP, the sensors are designed to withstand harsh environments and resist oil, fuel, and chemical exposure. Easy installation is a highlight, with mounting accomplished through simple drilling to fit a variety of mechanical setups. Suitable for aquariums, tanks, and other liquid-control applications, the dual-sensor design adds redundancy for critical systems.
Consider this choice when you need multi-point monitoring or wish to control multiple devices from a single control unit. Ensure that your power electronics and relays match the current and voltage specifications to avoid overload and ensure longevity of the sensing elements.
FOCMKEAS Side Mounted Float Switches

The 2-pack from FOCMKEAS Store features a side-mounted water level sensor with M10 thread and a compact 55mm length. The product details emphasize a robust PP body and a 24mm float diameter, designed to resist oil, fuel, and chemical exposure while offering UV resistance for durability in sunlight. Caution notes indicate a 0.5A switching current and 110VDC max breakdown voltage, suggesting the use of a relay for higher-power devices. This makes them suitable for smart toilets, solar tanks, pool pumps, and other moderate-load applications.
Practical considerations include ensuring that the relay and wiring can handle the load and that the sensor is mounted in a position that avoids turbulence or rapid level fluctuations. The long wire length supports flexible installation across residential and light commercial projects.
Madison M8750 Side Mount Sensor

Madison’s M8750 is a polypropylene-based side mount float switch designed for reliable level sensing across diverse liquid systems. With approvals including CE, UL, CSA, and NSF, it is positioned for use in more critical environments where standards compliance matters. Electrical ratings similar to other Madison models support moderate-load control via relays and interlocks, making it a versatile choice for water supply tanks, filtration lines, and industrial-choreographed systems.
The device emphasizes chemical resistance and dependable operation in water-based applications. When selecting, assess compatibility with the target liquids, potential contact with aggressive substances, and whether polypropylene is the best fit for long-term immersion and temperature exposure.
Buying Guide: Key Purchase Considerations For Side Mount Level Switches
- Liquid compatibility: Choose materials such as polypropylene or PBT based on exposure to chemicals, oils, or UV light. Consider UV resistance for outdoor installations.
- Electrical ratings: Verify voltage and current requirements of your control system. Many switches are designed for low-current control via relays; avoid direct connection to high-load devices unless specified.
- Mounting and size: Ensure the side-mount form factor fits your tank, pool, or container. Check thread type (M10 commonly) and overall length to avoid interference with fittings or baffles.
- Float design and sensitivity: Evaluate float diameter, stem length, and mounting orientation to minimize false readings due to turbulence or splashing.
- Durability: Look for corrosion resistance, robust housings, and splash-proof seals if the device will be exposed to humidity or wet environments.
- Redundancy options: For critical systems, consider dual-sensor configurations to provide backup sensing in case of a failure.
- Approval and safety: In commercial settings, select products with recognized safety approvals (CE, UL, CSA, NSF) to meet regulatory standards.
- Installation and maintenance: Favor products with straightforward mounting and easy access for inspection. Plan for periodic checks to prevent sticking or drift over time.
- Application scope: Determine whether the sensor will trigger pumps, alarms, or indicators, and ensure compatibility with your control logic and relay modules.
- Cost vs. value: Weigh the durability, warranty, and compatibility against price to choose a solution that provides long-term reliability for your system.
In summary, the right side mount level switch depends on your liquid type, required electrical interface, and environmental conditions. The five options highlighted here cover common use cases—from home aquariums and hydroponics to industrial tanks and solar-powered systems—while offering a balance of durability, ease of installation, and compatible operation. When selecting, map your exact needs to the product specs, and plan for future expansion or redundancy where necessary.
