Pro-Line Direct
Pro-Line Direct is an online retailer in Daventry, Northamptonshire, founded in 2021. It grew out of Oil Tank Supermarket Ltd, and heating oil tanks remain a core line. The shop now also sells saunas, hot tubs, water tanks and fuel dispensers, plus home, garden, heating and plumbing products. It suits homeowners on heating oil, anyone planning a garden sauna or hot tub, and businesses needing storage tanks.
1on sale284productsUpdated 24th June 2026
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More ways to save at Pro-Line Direct
- NHS discountPro-Line Direct offers NHS discounts, providing 5% off via Blue Light vouchers.
- Free delivery over £75Top your basket up past £75 and delivery costs nothing.
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About Pro-Line Direct
Tanks and fuel equipment
Heating oil tanks are the speciality, including bunded plastic slimline models from Centurion. Water storage tanks and fuel dispensers serve both homes and commercial sites. Free delivery applies to Centurion oil tanks sent to the UK mainland, excluding the Highlands and Islands.
Saunas, hot tubs and more
Saunas come in infrared and traditional steam versions, from single-person cabins up to eight-person models. CenturaHeat is one of the sauna brands stocked. Hot tubs include the 5-seater Hydrotherapy Pro Spa. Heating and plumbing parts such as boilers and radiators, garden products, and bins and storage containers complete the catalogue.
Ordering
Delivery covers the whole UK, with free delivery on orders over £75 and next-day delivery available. Unused items can be returned within 30 days, though some restrictions apply to chemicals. Safety data sheets for chemical products can be downloaded or requested by email. Pay by Visa, Mastercard or PayPal. Customer service takes calls and emails Monday to Friday, 8:30am to 5pm.
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Pro-Line Direct quick facts
| Free delivery | On orders over £75 |
|---|---|
| Delivery | Free UK delivery on orders over £75. Next day delivery available. |
| Returns | 30-day returns on unused items. Some restrictions on chemicals. |
| Payment methods | Visa, Mastercard, PayPal, Trade Account |
| Founded | 2021 |
| Headquarters | UK |
| Stores | 1 |
Pro-Line Direct contact
- Website
- prolinedirect.co.uk
- Phone
- 0800 542 3355
- Hours
- Mon-Fri 8:30am-5pm
Pro-Line Direct FAQs
Does Pro-Line Direct deliver oil tanks free?
Centurion oil tanks ship free to the UK mainland, excluding the Highlands and Islands. Other orders over £75 also qualify for free delivery.
What size saunas does Pro-Line Direct sell?
Saunas range from single-person infrared models to traditional steam saunas for up to eight people.
Can businesses open a trade account?
Yes. Trade customers can apply for a credit account with payment terms, which can then be used to pay for orders.
When can I contact Pro-Line Direct?
The customer service team answers phone and email enquiries Monday to Friday, from 8:30am to 5pm.
