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Recommended: Fully Automatic Water Level Controller for Overhead Tank. Most complete feature set — 3 of 6 key features.
| Model | ||||
|---|---|---|---|---|
| Price | ₹699₹999 | ₹615 | ₹699 | ₹1,699₹1,999 |
| Automation | ||||
| Automation typeHow much of the pump cycle the controller handles on its own. | Fully automatic (overhead tank) | Semi-automatic | Fully automatic | Fully automatic (sump + overhead tank) |
| Automatic ON/OFFStarts the pump when the tank is low and stops it when full. | Yes | PartialStops automatically; you start the motor | Yes | Yes |
| Timer functionalityRun the pump on a schedule or for a set duration. | No | No | No | No |
| Water level sensingWhich tanks and levels the controller reads. | Overhead tank: low (reference), middle and high | Overhead tank — full level | Overhead tank (low, middle, high) + water on the corporation supply line | Overhead tank and underground tank / sump |
| Protection | ||||
| Dry-run protectionStops or holds the pump when there is no water at the source. | No | No | YesMotor switches off within 60–80 s if no water arrives | YesStarts only if the sump has water; stops when it is empty |
| Water overflow protectionStops the pump when the tank is full. | Yes | Yes | Yes | Yes |
| Motor protectionProtects the pump motor from running dry. | No | No | YesDry-run cut-off | YesDry-run: won't run on an empty sump |
| Power-failure protectionResumes correctly after a power cut. | Yes | Yes | Yes | Yes |
| Installation | ||||
| Installation complexityEasy, Moderate or Advanced. | EasyCatalogue: “Easy to install” | EasyOur estimate — not stated in the catalogue | ModerateOur estimate — not stated in the catalogue | AdvancedOur estimate — not stated in the catalogue |
| Suitable forStarter panels and pumps the controller works with. | All motor types (monoblock, open-well, Tullu pump) on a switch/MCB or electronic starter | Single-phase MCB type starter panel or monoblock sump pump | Start/stop starter panels | Single-phase push-button starter panels (start/stop) |
| Technical specifications | ||||
| Operating voltage | 220–250 V AC, 50 Hz | 220–250 V AC, 50 HzWorks on a 190–270 V AC supply | 220–250 V AC, 50 Hz | 220–250 V AC, 50 Hz |
| Motor capacity | Up to 2 HP | 0.1–2 HP, 30 A relay | Up to 5 HP | Up to 5 HP |
| Sensors | 3 SS sensors, corrosion free | 2 SS sensors with 1.5 m wire, oxidation free | 3 level sensors (red, green, black) + 2-pin dry-run sensor, SS 316 rust-proof | 6 SS sensors, oxidation free |
| Indication | LEDs: motor on, high level, low level | LEDs: power ON/OFF, motor ON/OFF | LEDs: power on, 50% water, motor on | Motor ON/OFF LED; water level for both tanks |
| In the box | Controller with indicator and 3 SS sensors for the upper tank | 1 controller, 2 SS sensors with 1.5 m wire, 1 user manual with technical details | Controller, 3 level sensors, 2-pin dry-run sensor | 1 controller, 6 SS sensors, 1 user manual with technical details |
| Warranty | 12 months | 12 months | 12 months | 12 months |
| Installation guide | View guide | View guide | View guide | View guide |
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