Honeywell L641A Cylinder Thermostat L641A1039
- SKU
- EDDHONEYWELL04
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The Honeywell L641A is a surface mounted cylinder thermostat that straps directly onto a domestic hot water cylinder and switches the circulating pump, the boiler or a zone valve once the stored water is up to temperature. It fits without draining the system or tapping into the cylinder.
Where it fits
Domestic hot water cylinders - mounts directly on the cylinder and switches a wet central heating circulating pump or boiler, or operates spring return and motor open/motor close zone valves - SPDT snap action.
Specification
- Temperature setting range 40 to 80 C
- Fixed differential of approximately 10K
- SPDT Type 1CL switch action rated 4(2)A at 230V
- Supply 230V, 50 to 60Hz
- Surface temperature range 0 to 95 C, ambient range 0 to 70 C
- Straps directly to the cylinder, fixing strap supplied
- Fit one quarter to one third of the way up from the bottom of the cylinder
- 44 x 79 x 54mm
- BEAB approved, meets EN 60730
Installation
Installation by a qualified electrician or heating engineer is recommended. In stock at Electrical Deals Direct.
| MPN | L641A1039 |
|---|---|
| Product Code | L641A1039 |
| Compatible With: Product Code (SKU) | Domestic hot water cylinders; mounts directly on the cylinder and switches a wet central heating circulating pump or boiler, or operates spring return and motor open/motor close zone valves; SPDT snap action |
| Part Origin | Genuine |
| Part or Accessory? | Accessory |
| Brand | Honeywell |
| Height (mm) | 127 |
| Width (mm) | 77 |
| Depth (mm) | 60 |
| Empty Weight (kG) | 0.5 |
| Full Weight (kG) | 0.5 |
Delivery Information -
Standard delivery for all orders over £150 ex-VAT are free of charge.
If we can speed this up, we will, but you can also select Express Delivery when you check out and get your purchase more quickly (usually the next working day, subject to a 1pm cut-off): there is an extra charge for this ranging from £5 to £29.99 depending on the products you are buying.
We partner with several of the best UK carriers (such as TNT, Royal Mail, DPD etc) depending on the type of product and the warehouse it is coming from, and also with some pallet companies for larger items. All of these operate during normal Monday – Friday working hours, and we expect all deliveries to arrive in 5 days. For more details checkout this page.
Gledhill Cylinders – Delivery Charge -
For all Gledhill Cylinders, a flat delivery charge of £33.00 (ex-VAT) applies, regardless of order value or delivery method. This will be added automatically at checkout.
Returns Information -
Having to return a product because it doesn’t fit, or is not what you wanted, is really annoying! To try and make sure this isn’t necessary we have lots of helpful advice on our site, and you should feel free to call our experts on the number above to check if you are in any doubt at all – we’re always happy to help.
But if you do, don’t worry, just contact us and we’ll get it sorted (note that for trade customers there may be a restocking fee). If you need it, we can usually arrange the carrier to pick it up.
For full details of our policy, check out the small print here.
Genuine Honeywell L641A Cylinder Thermostat
The Honeywell L641A is a surface mounted cylinder thermostat that straps directly onto a domestic hot water cylinder and switches the circulating pump, the boiler or a zone valve once the stored water is up to temperature. It fits without draining the system or tapping into the cylinder.
Where it fits
Domestic hot water cylinders - mounts directly on the cylinder and switches a wet central heating circulating pump or boiler, or operates spring return and motor open/motor close zone valves - SPDT snap action.
Specification
- Temperature setting range 40 to 80 C
- Fixed differential of approximately 10K
- SPDT Type 1CL switch action rated 4(2)A at 230V
- Supply 230V, 50 to 60Hz
- Surface temperature range 0 to 95 C, ambient range 0 to 70 C
- Straps directly to the cylinder, fixing strap supplied
- Fit one quarter to one third of the way up from the bottom of the cylinder
- 44 x 79 x 54mm
- BEAB approved, meets EN 60730
Installation
Installation by a qualified electrician or heating engineer is recommended. In stock at Electrical Deals Direct.
| MPN | L641A1039 |
|---|---|
| Product Code | L641A1039 |
| Compatible With: Product Code (SKU) | Domestic hot water cylinders; mounts directly on the cylinder and switches a wet central heating circulating pump or boiler, or operates spring return and motor open/motor close zone valves; SPDT snap action |
| Part Origin | Genuine |
| Part or Accessory? | Accessory |
| Brand | Honeywell |
| Height (mm) | 127 |
| Width (mm) | 77 |
| Depth (mm) | 60 |
| Empty Weight (kG) | 0.5 |
| Full Weight (kG) | 0.5 |
Delivery Information -
Standard delivery for all orders over £150 ex-VAT are free of charge.
If we can speed this up, we will, but you can also select Express Delivery when you check out and get your purchase more quickly (usually the next working day, subject to a 1pm cut-off): there is an extra charge for this ranging from £5 to £29.99 depending on the products you are buying.
We partner with several of the best UK carriers (such as TNT, Royal Mail, DPD etc) depending on the type of product and the warehouse it is coming from, and also with some pallet companies for larger items. All of these operate during normal Monday – Friday working hours, and we expect all deliveries to arrive in 5 days. For more details checkout this page.
Gledhill Cylinders – Delivery Charge -
For all Gledhill Cylinders, a flat delivery charge of £33.00 (ex-VAT) applies, regardless of order value or delivery method. This will be added automatically at checkout.
Returns Information -
Having to return a product because it doesn’t fit, or is not what you wanted, is really annoying! To try and make sure this isn’t necessary we have lots of helpful advice on our site, and you should feel free to call our experts on the number above to check if you are in any doubt at all – we’re always happy to help.
But if you do, don’t worry, just contact us and we’ll get it sorted (note that for trade customers there may be a restocking fee). If you need it, we can usually arrange the carrier to pick it up.
For full details of our policy, check out the small print here.
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