Alpha DHW Flow Switch 1.020831

A boiler that refuses to deliver hot water is a uniquely frustrating experience, especially on a chilly morning. When the hot taps run cold while the heating works fine, the culprit is often a small but vital component. This genuine Alpha DHW Flow Switch is the key to restoring reliable, on-demand hot water to your home.

Restore Your Hot Water with a Genuine Replacement

Inside your boiler, the Alpha DHW Flow Switch 1 020831 acts as the crucial sensor in the process of heating your water. When you turn on a tap, the flow of water pushes a small internal magnet. This movement closes an electrical circuit, sending a signal to the boiler's main brain (the PCB) that hot water is needed. The boiler then fires up, and you get the hot shower you were hoping for. It’s a simple but essential process that happens every single time you demand hot water. A delay or failure in this single part is what stands between you and a working hot water system. This component functions as a hot water flow sensor.

Recognising a Faulty Flow Switch

When this switch starts to fail, the signs can be subtle at first. You might find the water temperature fluctuating wildly, going from hot to cold without warning. You may hear the boiler clicking as it tries to ignite but fails, or perhaps you have to run the tap for an age before any hot water appears. Eventually, it can lead to a complete loss of domestic hot water, a major inconvenience for any household. These are classic symptoms of a faulty flow switch, and replacing it with a quality part is the most direct solution. Ignoring these signs can put extra strain on other components, so a timely repair is always the best course of action.

The Importance of Genuine Parts

Choosing the correct part is critical. While generic parts may seem like a bargain, they often lead to more problems. An ill-fitting switch can leak, and incorrect electrical resistance can send confusing signals to the boiler's PCB, potentially causing more significant and costly damage. By fitting the genuine Alpha DHW Flow Switch 1.020831, you ensure guaranteed compatibility. It's built to last, providing a durable and reliable repair that keeps your heating system in top condition. This peace of mind is invaluable, as using official spares protects your boiler's warranty and ensures a safe, efficient installation. Here at Heating and Plumbing World, we are committed to providing quality, from essential boiler spares like this to a wide range of pumps and controls. If you have any questions, our expert team is always ready to help through our contact page.

Technical Specifications

• Product: DHW Flow Switch
• Brand: Alpha
• Part Number: 1.020831