- Brand: Potterton Boiler Spares
- Name: POTTERTON 640870 LOCKNUT
- MPN: 640870
- Our Part No: 1124284
- Categories:
POTTERTON 640870 LOCKNUT
- Our Part No: 1124284
- MPN: 640870
We're sorry but this product has now been discontinued by Potterton Boiler Spares and can no longer be purchased.
No known replacement is available.
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12 Month Warranty
On all parts
This part fits the following 18 appliances (sorted alphabetically):
- Potterton Boiler Spares ECOTHERN ECO
- Potterton Boiler Spares ENVOY 30 SYSTEM NG
- Potterton Boiler Spares ENVOY 40 SYSTEM NG
- Potterton Boiler Spares ENVOY 50 SYSTEM NG
- Potterton Boiler Spares ENVOY 60 SYSTEM NG
- Potterton Boiler Spares ENVOY 80 SYSTEM NG
- Potterton Boiler Spares ENVOY FLOWSURE + FLOWSURE PLUS
- Potterton Boiler Spares ENVOY SYSTEM 40
- Potterton Boiler Spares ENVOY SYSTEM 50
- Potterton Boiler Spares ENVOY SYSTEM 60
- Potterton Boiler Spares ENVOY SYSTEM 80
- Potterton Boiler Spares FIRESIDE 35/51 BBU LPG
- Potterton Boiler Spares FLAMINGO CF 20/35
- Potterton Boiler Spares FLAMINGO MK2 RS 50
- Potterton Boiler Spares FLAMINGO RS 20/35
- Potterton Boiler Spares FLAMINGO RS 35/50
- Potterton Boiler Spares FLAMINGO RS/CF 20/35
- Potterton Boiler Spares RODIAC PROFIT HR RUNNER
May fit others. If you are unsure of your product model, or would like more information, please contact us.
At DHS we offer a range of product options to suit different budgets and requirements, while maintaining quality and reliability across all categories.
Below is an explanation of each product type available on our website. Please note that not all products will have all options available.
Unbranded Part
BEST VALUE
Unbranded Component Product. Genuine manufacturer component, but no branded packaging.
- Sourced Directly from the Manufacturer
- Supplied in Unbranded Packaging
- Same Quality & Function as OEM Version
- Cost Effective Alternative
- 12 Month Warranty
Branded Part
ORIGINAL PART
Original Equipment Manufacturer Component with branded packaging.
- Genuine Original Part
- Sourced Directly from the Manufacturer
- Manufacturers Official Packaging
- Trusted Manufacturer Quality
- 12 Month Warranty
Alternative Part
Compatible replacement parts sourced from a third party Manufacturer.
- Lower Cost Replacement Option
- Fully Functional Alternative
- Appearance, design or materials may differ from the original part
- 12 Month Warranty
Refurbished Part
Original OEM components that have been professionally refurbished.
- Genuine OEM Component Professionally Refurbished and Tested
- Environmentally Conscious Choice
- Excellent Value for Money
- 12 Month Warranty
Need Help Choosing?
If you are unsure of which product category is right for your repair or installation, our team is happy to help.
Contact us for expert advice on compatibility, pricing and availability.
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Free UK Delivery £1,338.00 inc VAT
Available in 5-7 working days
Free UK Delivery £139.20 inc VAT
In stock - Next day delivery available