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Variable Speed Pumps vs Fixed Speed Pumps: Which is Better for Your System?

Variable Speed Pumps vs Fixed Speed Pumps: Which is Better for Your System?

If you're in the market for a pump, you may be wondering which type of pump is the right choice for your system: a variable speed pump or a fixed speed pump. While both types of pumps have their advantages and disadvantages, the choice ultimately comes down to the specific needs of your system. In this blog post, we'll take a look at the key differences between variable speed pumps and fixed speed pumps and help you determine which one is the best choice for your application.

What are Variable Speed Pumps?

Variable speed pumps, as the name suggests, are pumps that can vary their speed of operation. They do this by using advanced motor technology and electronic controls that allow them to adjust their speed in response to changing system demand. This means that they can deliver precise flow rates that are tailored to the specific needs of your system.

What are Fixed Speed Pumps?

Fixed speed pumps, on the other hand, are pumps that operate at a single, constant speed. They are typically designed to deliver the maximum flow rate required by the system, which is determined by the system's design specifications.

Advantages of Variable Speed Pumps

There are several advantages to using variable speed pumps over fixed speed pumps. Firstly, variable speed pumps are more energy-efficient than fixed speed pumps. This is because they only use the energy that is required to meet the specific needs of the system, which can result in significant energy savings over time.

Secondly, variable speed pumps are more flexible than fixed speed pumps. They can be programmed to deliver a wide range of flow rates, which makes them ideal for systems that have varying demand.

Finally, variable speed pumps are more durable than fixed speed pumps. This is because they are designed to operate at lower speeds for longer periods of time, which reduces wear and tear on the pump and other system components.

Advantages of Fixed Speed Pumps

Fixed speed pumps also have their advantages. Firstly, they are typically less expensive than variable speed pumps, which makes them a good choice for applications where cost is a major consideration.

Secondly, fixed speed pumps are simpler and easier to operate than variable speed pumps. They require less maintenance and are less prone to malfunctions or breakdowns.

Which Pump is Right for You?

Ultimately, the choice between a variable speed pump and a fixed speed pump depends on the specific needs of your system. If your system has varying demand and you're looking for a pump that is energy-efficient and durable, a variable speed pump may be the best choice. On the other hand, if cost is a major consideration and you're looking for a pump that is simple and easy to operate, a fixed speed pump may be the better option.

In conclusion, both variable speed pumps and fixed speed pumps have their advantages and disadvantages. The key is to choose the pump that is best suited to the needs of your system. By doing so, you can ensure that your system operates efficiently, reliably, and cost-effectively over the long term.

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New in

Now Stocking the SALUS iT800WIFI

Premium, standalone smart thermostat for heating & cooling — Wi‑Fi app control, rechargeable battery, and a refined metal‑ring design.

Meet the SALUS iT800WIFI — a beautifully engineered thermostat that gives customers effortless control over heating and cooling, both locally and via the SALUS Premium Lite app. The rechargeable battery, wireless charging dock and quick Bluetooth onboarding make setup simple, while the negative display and metallic ring look right at home in modern interiors.

Why customers will love it

Standalone smart control (Wi‑Fi + local)

Control heating and cooling locally on the dial, or remotely via the SALUS Premium Lite app from anywhere. Ideal for everyday comfort and energy awareness.

Rechargeable convenience

Integrated Li‑ion battery with wireless desk‑dock charging keeps the thermostat topped up without swapping cells.

Fast, friendly setup

Bluetooth onboarding for quick Wi‑Fi configuration. Pre‑paired thermostat & receiver means installers save time on site.

Modern aesthetics

Minimalist negative display and metallic ring complement contemporary spaces — looks premium on wall or desk stand.

Zigbee link, Wi‑Fi app

The thermostat talks to its receiver over Zigbee (2.4 GHz) for robust in‑home comms, while the app connects over Wi‑Fi for remote control.

Heating ⇄ Cooling

Switch modes seasonally and use optimisation & hysteresis controls to keep rooms comfortable and efficient all year.

“A premium, standalone thermostat that brings together energy efficiency, beautiful design and intuitive use.”

Technical Specifications

ProductSALUS iT800WIFI Smart Thermostat + WZ600 Receiver
PowerIntegrated rechargeable Li-ion (wireless desk-dock charging)
Connectivity (Thermostat ↔ Receiver)Zigbee (2.4 GHz)
App ControlWi-Fi via SALUS Premium Lite app
ModesHeating / Cooling; optimisation functions; adjustable hysteresis ±0.25–0.5 °C
MountingWall or desk stand; magnetic wall bezel; optional round plate
FinishBlack negative display with metallic ring
Dimensions≈ 65 × 25.6 mm
Warranty5 years

Good to know

Does it work without the app?

Yes. You can use the thermostat locally; Wi‑Fi enables remote app control and smart features.

How do I charge it?

Drop it on the included wireless charging dock. A short first charge on install is recommended.

Is it compatible with underfloor heating?

Yes — it controls heating (and cooling) via the paired receiver. For complex UFH manifolds, pair with SALUS UFH controls.

Shop iT800WIFI £118.99 £145.00 In stock View manufacturer page


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