Store Polices

Store Policies

If you have any queries that aren't answered below, feel free to contact us.



All payments made through the online store are securely proccesed by Paypal payments pro, a PCI compliant card processing solution. The transaction will show up on your bank statement as a payment to GNUK LTD. If you wish to pay by BACS transfer, please contact us and we can provide you our bank details. We don’t accept cash orders or offer a cash on collection service, GNUK LTD only retails products via the internet or over the phone.

We are now transacting payments in multiple currencies, please select your currency by using the menu in the top right of the page. Exchange rates for currencies other than £GBP are live. This means that the display price (excluding £GBP) will change regularly based on the foreign exchange markets.



For orders up to 70Kg, we ship via United Parcel Service (UPS). Order are dispatched within 24 hours of purchase. Orders are placed before 13:00 GMT Monday to Friday typically ship same day. The delivery time and cost depends on the UPS service requested:

UPS standard
UK delivery address- next working day by 17:00
EU mainland delivery address- 1-5 Working days
UPS express saver:
UK delivery address- next working by 12:00
EU mainland delivery address- 1-3 working days (Next working day for most countries)
US mainland delivery address- 2-3 working days  
UPS express:
UK delivery address- next working day by 9am
EU mainland delivery address- next working day
US mainland delivery address- 1-2 working days (Next working day for most states)
Collection at UPS access point
If you are not going to be available for the delivery you can request that we deliver to a UPS access point (local store) by entering the shipping address of the access point in the shipping information on checkout. Please add your name in the name section and write “UPS access point” in the company name section. You can find an access point local to you on the UPS website can check on the shipping cost and available services for your location by adding items to your cart and then entering your country and delivery address on the view your cart page which is in the top right hand corner of the web browser.


We offer a 30 day return policy on all standard products purchased from the GN-store.
In order to eligible for a refund the product needs to be in it's original condition (unless otherwise specified) and sent back in its original packaging.The 30 day period starts when the product is delivered. If you decide to return an item within the 30 day period but the estimated arrival of the return to GN is outside of the 30 day period, please contact GN to inform us that you plan to return the item and provide a tracking number.Delivery and return shipping fees are non refundable unless the product arrived in a faulty condition or the wrong product was delivered.
Damaged or faulty
If your order arrived faulty or damaged please contact GN immediately and we can arrange a collection for replacement or refund.Custom productsAll prototypes or products that have customized features requested directly from GN are subject to their own return policy which will be made clear at the point of sale.


We have a very fast order dispatch turn around so if you wish to cancel your order your order please contact GN as quick as possible after placing the order. We will then advise if the order has been shipped. If the order hasn’t shipped we can cancel the order immediately if it has shipped you will need to return the order for a refund once it has arrived with you.



All GN Telos LED systems purchased through the store carry a 3 year limited warranty.
Telos LED grow lights
The Telos systems are shipped worldwide so we designed the electronics in the system to have safe and easy user interchangeable components:
LED module warranty
If a one or more LED’s fail (appear dim or turned off completely) on a single LED module you can request a replacement part to be posted out for free. Once the part arrives, using the GN provided instructions you can exchange the faulty module for the replacement board. You must return the faulty board by your national post service (recommended for the lowest cost) or courier to use the warranty again in future on the same purchase.
LED driver warranty
If it is identified that the driver is faulty because the unit will switch on at all you can request a replacement driver to be posted out for free. Once the part arrives, using the GN provided instructions you can exchange the faulty driver for the replacement board. You must return the faulty board by post (recommended for the lowest cost) or courier to use the warranty again in future on the same purchase.
Any damage to non electrical parts of the Telos systems are not covered in the warranty, if your light has been damaged on delivery please contact as within 30 days to arrange a collection and replacement. After 30 days any mechanical or aesthetic damage will not be covered by us however you can contact us to see what we can do to help.ExceptionsIf you are unable to replace the part yourself we are happy to fix any electronic issue in house under the warranty however the customer will be responsible for the return and re-delivery costs. Please get in contact with us first and we can arrange low cost courier fees using our UPS account

Copyright GNUK LTD 2018

Head office: Suite 11&12 ,The Crossgate Center, Durham DH1 4HF