Stream Hydrocall Smart Pump Controller: Full Guide

The Stream Hydrocall Smart Pump Controller is an electronic automatic pump controller for single-phase pumps up to 2.2 kW. It starts and stops the pump automatically based on tap activity, protects against dry running, and supports heads up to 100m. Four model variants—M, G, AS, and ASG—cover a wide range of residential and light commercial applications.

Manual pump switches are a surprisingly common source of equipment failure. A pump left running without water doesn't just waste energy—it can burn out the motor entirely, resulting in costly repairs or full replacements. For homeowners, irrigation operators, and water system installers who rely on consistent pump performance, that kind of failure isn't just inconvenient. It's expensive.

Automatic pump controllers solve this problem directly. By detecting water flow and pressure in real time, they eliminate the need for manual switching, protect the pump from dry running, and ensure reliable operation around the clock—without requiring constant supervision.

The Stream Hydrocall Smart Pump Controller series is built for exactly this purpose. Part of Stream's Hydrosmart Series, the Hydrocall range is designed to automate and protect single-phase pumps up to 2.2 kW across a broad range of applications. From residential garden irrigation to high-head well pumping, the Hydrocall series offers a precise, energy-efficient control solution that connects quickly and operates reliably.

This guide covers everything you need to know about the Hydrocall series: how it works, what each model offers, where it's best applied, and how it compares to traditional pressure switches.

What Is the Stream Hydrocall Smart Pump Controller?

The Stream Hydrocall Smart Pump Controller is an electronic automatic controller designed to manage and protect single-phase pumps with a maximum power rating of 2.2 kW and a maximum current of 30A. It belongs to the Hydrosmart Series—Stream's dedicated line of intelligent water management devices.

The core function of the Hydrocall is straightforward: it starts the pump automatically when a tap is opened and stops it when the tap is closed. This automatic on/off behavior is governed by pressure detection rather than a manual switch, which means the pump responds to actual system demand rather than relying on user input.

Beyond basic automation, the Hydrocall provides dry-run protection. When water shortage is detected, the controller stops the pump immediately to prevent motor burnout. Once water supply is restored, the controller automatically restarts the pump—no manual reset required.

The Hydrocall is compatible with a wide range of pump installations and supports liquid temperatures from 0°C to 100°C, with a maximum working pressure of 10 bar.

Key Features of the Hydrocall Smart Pump Controller

Plug-and-Play Operation — No Manual Calibration Required

The Hydrocall is designed for fast, straightforward installation. Its plug-and-play setup means that for most applications, the unit is ready to operate as soon as it's connected—no complex wiring or manual calibration needed. This makes it practical for both professional installers and technically capable end users.

Adjustable Start-Up Pressure (0–10 Bar)

The controller allows the start-up pressure threshold to be adjusted across a range of 0 to 10 bar. This flexibility means the Hydrocall can be tuned to suit different system configurations, whether the application involves low-pressure household supply or higher-pressure irrigation lines.

Water Shortage Protection and Automatic Restart

One of the most critical features of the Hydrocall is its built-in dry-run protection. When the controller detects insufficient water supply, it immediately shuts the pump down to prevent damage. Once water becomes available again, the system restarts the pump automatically. This auto-restart function removes the need for manual intervention after a dry-run event—a particularly valuable feature in unattended installations.

High-Head Support — Up to 100 Meters

The Hydrocall is rated for applications with a maximum head of 100 meters. This makes it suitable for deep well scenarios, multi-story buildings, and elevated tank installations where standard low-head controllers fall short.

Wide Voltage Range (100V–240V, 50/60Hz)

The Hydrocall operates across a rated voltage range of 100V to 240V at 50 or 60Hz. This broad compatibility makes it usable in markets with different grid standards, reducing the need for voltage-specific product variants.

Low Standby Power Consumption

The controller is engineered for energy efficiency, consuming minimal power during standby. This matters in installations where the pump is frequently idle, as standby energy losses can accumulate significantly over time.

IP65 Protection Grade

The Hydrocall carries an IP65 ingress protection rating, meaning the enclosure is fully protected against dust ingress and resistant to water jets from any direction. This rating makes it suitable for outdoor installations and environments where exposure to moisture is expected.

Hydrocall Model Variants: Which One Is Right for Your Application?

The Hydrocall series includes four distinct models, each tailored to a different level of functionality and installation requirement. All four share the same core specifications—2.2 kW max power, 30A max current, 0–10 bar pressure range, and 0–100m head support.

Hydrocall 2200(M) — Manual Pressure Adjustment

The Hydrocall 2200(M) is the baseline model in the series. Start-up pressure is adjusted manually using "+" and "−" controls on the unit. This model suits applications where pressure requirements are stable and well-understood, allowing the installer to set a fixed threshold at commissioning.

Best for: Standard residential installations with predictable and consistent pressure demands.

Hydrocall 2200(G) — Manual Adjustment With Pressure Gauge

The Hydrocall 2200(G) builds on the M model by adding a pressure gauge that displays real-time piping pressure. The gauge gives installers and users immediate visual confirmation of system pressure without requiring external measurement tools. Pressure is still adjusted manually.

Best for: Installations where monitoring live pressure readings is useful for ongoing system management or troubleshooting.

Hydrocall 2200(AS) — Auto-Adaptable With Timing Function

The Hydrocall 2200(AS) introduces automatic pressure adaptation. An internal pressure tank detects the current piping pressure and adjusts the start-up pressure threshold accordingly—removing the need for manual calibration entirely. The AS model also includes a timing function for periodical water refilling, making it well suited to tank-fill applications that operate on a schedule.

This model is also recommended for use with submersible well pumps, where consistent automatic adaptation to changing water levels is particularly valuable.

Best for: Submersible well pump installations, tank-to-tank transfer systems, and any application where pressure conditions vary and periodic refilling is required.

Hydrocall 2200(ASG) — Full-Featured: Auto-Adaptable, Gauge, and Timer

The Hydrocall 2200(ASG) is the most fully specified model in the range. It combines all the capabilities of the AS model—automatic pressure adaptation and timing function—with the real-time pressure gauge found in the G model. The result is a controller that automates pressure management, supports scheduled refilling, and provides continuous visual pressure monitoring.

Best for: Demanding installations that require fully automated operation, scheduled control, and real-time system visibility.

Ideal Applications for the Hydrocall Series

High-Head Pumping

With head support extending to 100 meters, the Hydrocall series covers applications that require significant elevation change between the pump and the point of delivery. This includes multi-story building supply systems and installations where the pump is located well below the discharge point.

Garden and Light Irrigation

For residential and light commercial irrigation, the Hydrocall provides reliable automatic control that starts and stops the pump in response to actual water demand. The low standby power consumption is particularly relevant in irrigation contexts, where pumps may be idle for extended periods between watering cycles.

Tank-to-Tank Transfer

The Hydrocall is effective in tank transfer applications, where water must be moved from one storage vessel to another. The timing function available on the AS and ASG models supports scheduled transfer operations, reducing the need for manual oversight.

Submersible Well Pumps (AS and ASG Models)

The auto-adaptable pressure detection in the AS and ASG models makes them the preferred choice for submersible well pump installations. Well water levels can fluctuate significantly, and a controller that automatically adjusts its pressure reference handles these variations more effectively than a fixed-threshold device.

Technical Specifications

How Does the Hydrocall Compare to a Standard Pressure Switch?

Traditional mechanical pressure switches operate on a simple on/off principle: the pump starts when pressure drops below a set threshold and stops when it reaches the upper limit. While reliable in straightforward applications, mechanical pressure switches have several limitations that the Hydrocall addresses directly.

Fixed calibration vs. adaptive control. A standard pressure switch requires manual adjustment whenever system conditions change. The Hydrocall 2200(AS) and 2200(ASG) automatically detect piping pressure and adapt their start-up threshold accordingly, eliminating the need for recalibration.

No dry-run protection. Most basic pressure switches do not include protection against dry running. If water supply is interrupted, the pump continues to run, risking serious motor damage. The Hydrocall monitors for water shortage and shuts the pump down immediately when it's detected.

No auto-restart. After a dry-run shutdown triggered by a mechanical switch or external protection device, manual reset is typically required. The Hydrocall restarts the pump automatically once water supply is restored, reducing downtime and eliminating the need for on-site intervention.

No timing functionality. Mechanical switches respond only to pressure; they have no capability for scheduled operation. The timing function in the AS and ASG Hydrocall models enables periodic water refilling on a set schedule—a feature that is not available on conventional pressure switch systems.

No real-time pressure visibility. Unless a separate gauge is installed, a mechanical pressure switch provides no indication of current system pressure. The Hydrocall G and ASG models include a built-in gauge for continuous, at-a-glance pressure monitoring.

In summary, the Hydrocall series offers a more capable, safer, and more flexible control solution than a conventional mechanical pressure switch, particularly in applications where conditions vary or unattended operation is required.

Frequently Asked Questions

What is the Stream Hydrocall Smart Pump Controller?

The Stream Hydrocall Smart Pump Controller is an electronic automatic controller for single-phase pumps up to 2.2 kW. It automatically starts and stops the pump based on tap opening and closing, and protects the pump from dry running by shutting it down when water shortage is detected.

How does the Hydrocall detect when to start and stop the pump?

The Hydrocall detects changes in pipe pressure caused by opening or closing a water tap. When a tap is opened, pressure drops and the controller starts the pump. When the tap is closed, pressure stabilizes and the pump stops. This process is fully automatic and requires no manual input during operation.

What is the difference between the four Hydrocall models?

The four models vary in their pressure adjustment method and additional features. The 2200(M) uses manual pressure adjustment. The 2200(G) adds a real-time pressure gauge. The 2200(AS) introduces auto-adaptable pressure detection and a timing function. The 2200(ASG) combines all features: auto-adaptation, pressure gauge, and timer.

Which Hydrocall model should I use for a submersible well pump?

The Hydrocall 2200(AS) or 2200(ASG) is recommended for submersible well pump installations. The auto-adaptable pressure detection in these models handles the variable pressure conditions common in well applications more effectively than fixed-threshold controllers.

What happens if the pump runs dry?

When the Hydrocall detects water shortage, it immediately stops the pump to prevent motor burnout. Once water supply is restored, the controller automatically restarts the pump without requiring manual intervention.

Is the Hydrocall suitable for outdoor installation?

Yes. The Hydrocall carries an IP65 protection rating, which means the enclosure is fully dustproof and protected against water jets. This makes it suitable for outdoor and semi-exposed environments.

What voltage supply does the Hydrocall require?

The Hydrocall operates on a rated voltage of 100V to 240V at 50 or 60Hz, covering most standard residential and light commercial grid supplies across different regions.

What is the maximum pump size the Hydrocall can control?

The Hydrocall is rated for single-phase pumps with a maximum power of 2.2 kW and a maximum current of 30A.