Honeywell Home L641A1039 Cylinder Thermostat L641A Surface Mount 40 to 80°C SPDT for Hot Water Cylinders
The Honeywell Home L641A1039 Cylinder Thermostat offers surface-mounted temperature control for insulated or uninsulated hot water cylinders, with a 40–80°C setting range and SPDT switch.
- All prices include VAT
- Estimated Delivery: For most items (over 99% of our products), orders placed before 3pm on working days will be dispatched the same day with our Fast DELIVERY 1st class service. For the rare items not immediately in stock, dispatch may take 1-3 working days after receiving your order. If your order cannot be dispatched the same day, we will notify you via email.
- For boilers: We aim to dispatch on the next working day. However, in some cases, it may take 2-3 working days to dispatch. Rest assured, we will always strive for the fastest possible turnaround.
The Honeywell Home L641A Cylinder Thermostat (L641A1039) is a surface-mounted control solution for domestic or commercial hot water cylinders, offering quick installation and precise temperature regulation. It’s ideal for both insulated and uninsulated systems, and it installs easily using the supplied mounting strap, eliminating the need to drain the cylinder.
This thermostat offers a temperature range of 40 to 80°C with a 10°C differential, making it suitable for energy-efficient water heating. The SPDT switch ensures reliable activation and deactivation of heating circuits, while the double-insulated design provides added safety and durability.
Featuring manual temperature adjustment via dial or screwdriver, the L641A enables user-friendly control of water heating across a range of system types.
Key Features
Surface-Mounted – Installs directly onto cylinders without draining
Versatile Cylinder Use – Works on both insulated and uninsulated cylinders
Temperature Range Control – Adjustable 40 to 80°C with 10°C differential
SPDT Switch – Ensures reliable system switching for efficient heating
Double Insulated – Designed for enhanced electrical safety
Manual Adjustment Dial – Easy-to-use dial or slot for precision settings
Quick Installation – Supplied with strap and hooks for secure fit
Applications
Domestic Hot Water Systems – Provides precise water temperature control in homes
Commercial Installations – Suitable for heating control in apartment blocks or offices
System Upgrades and Maintenance – Ideal replacement or upgrade thermostat
Technical Specifications:
| Feature | Details |
|---|---|
| Brand | Honeywell Home |
| Product Name | L641A Cylinder Thermostat |
| Part Number | L641A1039 |
| Setting Range | 40 to 80°C |
| Dimensions (H x W x D) | 55mm x 45mm x 54mm |
| Voltage | 230V |
| Switch Type | SPDT |
| Application | Commercial, Domestic |
| Wired/Wireless | Wired |
| Operating Temperature | 0°C to 70°C |
| GTIN / EAN | 5023220200093 |
Reviews
There are no reviews yet.