Harnessflex HTC28 High Temperature Conduit
Harnessflex HTC conduit is a flexible, high-temperature conduit made from modified co-polyester, designed for demanding automotive harness applications. It offers excellent resistance to automotive oils, solvents, hydrocarbons, and all under-bonnet greases, fuels, and oils, making it highly durable in extreme environments.
Brand |
Harnessflex |
---|---|
Colour |
Brown |
Temperature Resistance |
High Temperature |
Harnessflex HTC28 HTC High Temperature Conduit
Harnessflex HTC conduit is a flexible, high-temperature conduit made from modified co-polyester, designed for demanding automotive harness applications. It offers excellent resistance to automotive oils, solvents, hydrocarbons, and all under-bonnet greases, fuels, and oils, making it highly durable in extreme environments.
Suited for both static and dynamic applications, HTC conduit provides exceptional impact strength, fatigue life, and long-term performance in high-temperature conditions. It can withstand continuous exposure to temperatures up to 175?C, with short-term resistance up to 190?C.
Features & benefits:
- Very high flexibility and fatigue life
- Exceptional resistance to elevated temperatures, abrasion, impact, and shock
- Temperature range: -40?C to +175?C (short-term: +190?C)
- UV resistance: very high
- IP40 rating with TempGuard and standard hinged fittings; IP67 with sealed fittings
- Self-extinguishing, low smoke toxicity, and halogen-free
Conformity:
- CE Marked to the Low Voltage Directive
- RoHS compliant to 2011/65/EU
- Conforms to the End-of-Life Vehicle Directive (ELV) EU 2000/53/EC
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Harnessflex® is a leading designer and manufacturer of high-performance flexible conduit systems and connector interfaces, engineered to protect critical electrical wiring in the automotive sector.
Specialising in chassis and engine applications for buses, agricultural machinery, and heavy-duty vehicles, Harnessflex provides a comprehensive range of slit and unslit corrugated conduits in various materials. When combined with Harnessflex sealed or hinged fittings and connector interfaces, these systems deliver exceptional protection for vehicle wiring harnesses in demanding environments.
Harnessflex® Specialist Conduit Systems offer complete solutions for routing and safeguarding electrical wiring against mechanical abrasion, liquid ingress, and corrosion. By using a Harnessflex® conduit system, cables and connectors remain shielded from environmental exposure, impact damage, and high-pressure washing—preventing malfunctions and ensuring the reliability and longevity of vehicles and machinery.

5 year warranty on your Harnessflex® system.
As all Harnessflex products are intensively tested under the most extreme conditions, we can guarantee the durability of the systems we provide. That's why as standard, we offer a 5 year extended warranty on all Harnessflex® products that are installed as part of a complete, fully integrated Harnessflex system. This gives you and your customers the peace of mind that once your Harnessflex® system is installed, it will deliver lasting protection of critical wiring over the vehicle's lifespan.

Delivery & Shipping
We aim to ship products as quickly as possible. If an order is received before 3 p.m. for any items we hold in stock, dispatch will be the same day.
We use DPD and a next working day service, meaning you should receive your order the following day.
Delivery Costs:
- Free delivery on orders over £75!
- UK Mainland (excluding Northern Ireland): £5.99 (inc. VAT)
- Northern Ireland: Please, speak to a staff member for a quote.
Frequently asked questions
We aim to ship products as quickly as possible. If an order is received before 3 p.m. for any items we hold in stock, dispatch will be the same day.
For all stocked items we can usually pick and pack for dispatch the same day or next morning.
For items we do not hold in stock, we try our upmost to dispatch the items within 2 – 3 working days. However, we will advise of any changes in lead time by email or phone.
We hold a huge range of Harnessflex items in stock. However, any non stocked items, or out of stock items, can usually be obtained rapidly.
Yes. We offer bespoke labeling and packaging on all products.
In the unlikely event that your order hasn’t arrived within the time as stated at the point of order please contact us and we will investigate immediately.
You can also track your shipment here – https://track.dpd.co.uk/
Inform both the carrier and us immediately. Retain the damaged packaging in case the carrier needs to see it. We will organise replacement goods and take care of the problem from there on.
Inform us and we will rectify the problem immediately.

We hold a huge range of Harnessflex items in stock. However, any non stocked items, or out of stock items, can usually be obtained rapidly.
We provide drawings and downloadable datasheets for each product in the catalogue section where possible.
We can email or post datasheets upon request.
Yes. As AES is a stockist distributor, we can offer our customers varied and low minimum order quantities.
Absolutely! We’ll be happy to locate the part for you and ensure it’s available as quickly as possible.
Please reach out to us at [email protected] or call us at 01924 364 464.
Yes, we do! We’re happy to provide competitive bulk pricing for contractors and fleet maintenance providers. You can also set up an account with us for added convenience and exclusive benefits. Contact us at [email protected] or call us at 01924 364 464 to discuss your needs and get started!
Yes, we do! For international orders, we have a dedicated export website to make the process seamless. Visit https://www.aes-export.com/ to explore our range of products and place your order
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