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Key features of the Merlin CT1250

  • All Merlin systems are designed to comply with the latest CE requirements and low voltage directives.
  • Easy installation.
  • Reliable method of interlock, with no moving parts there’s little to go wrong.
  • Straightforward to install and calibrate. The CT1250 can be easily adjusted to your requirements.
  • Complete all-in-one box.
  • Clear LED display for system indications.
  • Can be used when pressure differential switches cannot be used e.g. wall-mounted fans.
  • Allows Compliance with BS6173: 2001 for commercial kitchens.
  • BMS Terminals Normally Closed or Normally open and common.
  • Three year warranty.


This method is not recommended with belt driven fans.




When the fan is turned “on” the CT1250 monitors the electrical current going to the fan motor, when there is sufficient current going to the fan motor our panel receives a signal to indicate the fans are operating. Turning the key to the “on” position will open the gas solenoid valve. If the fans should fail, the “fan fault” LED on the panel will illuminate and the gas solenoid valve will close. When there is a “fan fault” the supply fan or extract fan led on the Merlin CT1250 panel fascia will flash. This informs the electrician or kitchen staff which fan has failed.


Operating the system in the above manner will ensure the requirements of BS6173: 2001 are fully met where all the catering equipment has flame failure devices fitted.

Check our store for Gas Solenoid Valves to be used with this product.



Gas Interlock Panel System CT1250 Current Monitoring


    Standard delivery: 2 – 4 working days is on all goods except bespoke products such as canopies. 


    You may cancel your order at any time up to 7 days after receiving the goods by notifying us. There is a 30% restocking fee on all items and you must return the goods with the original packaging to us at your expense within 7 days of your notice of cancellation, ensuring that you obtain proof of posting for your own records. Note that if you fail to package the goods adequately to avoid damage in transit or fail to take reasonable care of the goods we might not be able to accept their return. Otherwise, on receipt of the goods in undamaged condition we will refund the full purchase price to you to the card you originally used for the purchase minus any delivery charges if they were applicable.

    Goods should be returned to the address given upon notification of return from PMJ. 


    Goods supplied shall be subject to the manufacturer’s standard guarantee. Faulty goods will be returned to the Company who reserve the right to repair or replace. Claims for consequential loss will not be considered under any circumstances.

    Should returned goods be found not to be faulty or have failed due to circumstances not covered by the Warranty, the Company will recover in full all cost incurred.

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