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The fittings built for

the UK's #1

heat pump pipe

A secure, leak-free connection in seconds. No cutting, no flattening, no callbacks.

Part L compliant, as standard

Meets Building Regulations Part L requirements for thermal performance

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How to fit

PerformLock is designed to go in fast, with no guesswork. Here's the eight-step process, from first cut to finished connection.

  1. Place the cutting blade in the groove, perpendicular to the pipe, ready for a clean cut.
     

  2. Rotate the cutting tool fully around the pipe to complete the cut.
     

  3. Check the cut to ensure it's clean and free of burrs before fitting.
     

  4. Don't disassemble the fitting. The foot of the inner ring must rest on the fitting body.
     

  5. Manually loosen the nut on the male fitting by half a turn, unless it's already loose.
     

  6. Push the pipe into the fitting until you hear the "click".
     

  7. Tighten the nut until you feel resistance. Do not overtighten.
     

  8. Once tightened, the nut should fully cover the threads on the fitting body. If any thread is still visible, keep tightening.

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Need the specs?

Download the PerformPipe® datasheet for real-world performance data, lab-tested results, and verified energy savings - no estimates, just proven facts.

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Contact us

Want to know more or ready to buy? Complete the form and we’ll get back to you as soon as possible.

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The Data
Inside PerformPipe

Safety & Protection

Tel. 01369 702070

Email: enquiries@perform-pipe.co.uk

17 Sandbank Industrial Estate,  Dunoon, Argyll, PA23 8PB

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Premium pre-insulated pipe fittings

Every PerformPipe run is only as good as what's holding it together.

PerformLock is our compression fitting, designed to give you a fast, secure connection on site without the extra tools or extra time other fittings demand.

Compatible with both DN25 and DN32 PerformPipe.

Secure, leak-free connection

A compression fit that seals properly the first time, so you're not back on site chasing a leak six months later.

Built to last

Corrosion-resistant construction means PerformLock holds up in the conditions PerformPipe is designed for, buried or exposed.

Rapid-fit

Cut into the corrugation, compress, done. No flattening the pipe end, no separate tools, no waiting around, less time on site per fitting.

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