The Heatmiser DS1-L thermostat is a manual dial room thermostat that delivers straightforward and reliable heating control. In particular, it allows users to adjust the room temperature using a simple rotary dial, without programming, displays, or smart features. As a result, it suits installations where ease of use and long-term reliability take priority.
Because the DS1-L provides basic on/off control, installers commonly use it in systems that do not require time scheduling at the thermostat itself. Instead, it works alongside time clocks, programmers, or central control systems. In this way, it supports simple heating setups without adding unnecessary complexity.
Simple and Reliable Heating Control
The Heatmiser DS1-L focuses on simplicity. For example, turning the dial increases or decreases the target temperature, which provides immediate and intuitive control. Therefore, it appeals to users who prefer traditional thermostats rather than digital interfaces.
Additionally, this simple design improves overall dependability. With fewer electronic components, the DS1-L delivers consistent performance over time. As a result, users benefit from reliable operation with minimal maintenance.
Key Features of the Heatmiser DS1-L
Manual Dial Temperature Adjustment
The DS1-L uses a clear rotary dial for temperature control. As a result, operation remains obvious and accessible, even for users unfamiliar with programmable thermostats.
Furthermore, because the thermostat includes no menus or schedules, users can make temperature changes quickly and directly.
Straightforward On / Off Control
The thermostat uses basic on/off switching. When the room temperature drops below the set point, the system activates the heating. Then, once the room reaches the desired temperature, the system switches the heating off.
Consequently, the DS1-L delivers dependable temperature control without unnecessary features or complexity.
Robust Wired Design
The Heatmiser DS1-L uses a wired connection to ensure stable and reliable operation. Importantly, it does not rely on batteries, wireless signals, or internet connectivity.
Therefore, the thermostat works well in both domestic and light commercial installations where consistent performance and reliability are essential.
Next Working Day Delivery: Yes, we hold all our products in stock at our 7000 sq ft Nottingham warehouse and at our 3000 sq ft warehouse in Market Harborough and use DPD for a tracked next-day delivery.
Collection Available: You can always collect from our Nottingham location and help yourself to a free tea and coffee.







