0121 386 6628 sales@cateringbase.co.uk
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BES

Universal 900mm Gas Thermocouple Kit – BES 6336

£4.99
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Reliable universal gas thermocouple for boilers, fires and ovens

The BES 6336 Universal 900mm Gas Thermocouple Kit is designed as a straightforward, like-for-like replacement for standard thermocouples on many popular gas appliances. The 900mm length provides plenty of reach for neat routing inside the appliance, while the universal design and adaptor fittings make it suitable for a wide range of gas valves and pilot assemblies.

This kit is commonly used by gas engineers and maintenance teams to restore flame failure protection on natural gas appliances in domestic, commercial and light catering environments.

Key Features & Benefits

  • Universal replacement thermocouple – fits a wide variety of gas appliances when used with the supplied fittings and adaptors.
  • 900mm length – long, flexible capillary for easy positioning and routing within the appliance case.
  • Flame failure protection – shuts off the gas supply if the pilot flame goes out, helping to keep the appliance safe.
  • Supplied as a complete kit – includes thermocouple, button end connectors, spring clip and pilot burner fittings so you have everything needed for a standard replacement.
  • Compatible with many popular brands – suitable as a replacement for models from manufacturers such as Monitrol, ITT Maclaren, Perl/Black, Robertshaw, Sperryn M, Honeywell and S.I.T. (check appliance details before fitting).
  • Ideal for service engineers – a handy universal kit to keep in the van for quick repairs and call-outs.

Typical Applications

  • Gas boilers
  • Gas fires & wall heaters
  • Gas ovens and cookers
  • Water heaters and catering appliances (where a compatible universal thermocouple is specified)
  • Always ensure installation is carried out by a qualified Gas Safe registered engineer and that compatibility is checked against the appliance manufacturer’s recommendations.

Technical Specification

  • Product code: BES 6336
  • Type: Universal gas thermocouple kit
  • Length: 900mm
  • Fuel: Suitable for natural gas systems (and other compatible systems where a standard universal thermocouple is specified)
  • Kit contents (typical): 1 x 900mm thermocouple

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Specifications

The BES 6336 Universal 900mm Gas Thermocouple Kit is a reliable replacement flame-sensing device for a wide range of gas appliances. With a 900mm lead and universal fittings, it’s ideal for gas boilers, fires, ovens and water heaters, helping to maintain safe, efficient operation of the appliance.

Delivery

Royal Mail’s Tracked 24® Cut of time 3 PM

📦 Delivery Aim

Royal Mail’s Tracked 24® is their premium next-day tracked parcel delivery service within the UK. Next working day delivery after posting (including Saturdays). It’s an aim, not a guarantee — most parcels arrive next day, but not 100%.

⏰ Delivery Times

Monday to Saturday, usually by 4:30 pm for most addresses.
Rural / remote areas may receive deliveries later in the day.

📍 Postcode Coverage

Tracked 24 is available for almost all UK postcodes.

Some remote locations (e.g. Scottish Highlands, islands, Isle of Man, Channel Islands, BFPOs) may take longer than next-day.

Returns

We want you to be happy with your CateringBase purchase. Find out how to request a return, arrange an exchange and receive your refund.

30-day returnsMost items can be returned within 30 days of delivery, subject to the conditions below.
Contact us firstWe will confirm approval and provide your return instructions and address.
RefundsTypically issued within 5–10 business days after inspection, depending on your bank or payment provider.

Damaged or incorrect delivery? Please contact us within 48 hours of delivery and include clear photos of the item, its packaging and any visible damage. We will resolve the issue as quickly as possible.

How to request a return

  1. Contact our team within 30 days of delivery. Email sales@cateringbase.co.uk or call 0121 386 6628.
  2. Provide your order details. Include your order number and the item or items you would like to return. A reason for the return is optional but helpful. Photos are required if an item is faulty or damaged.
  3. Wait for your return instructions. We will confirm your return approval and provide the address and instructions for sending your item back. Please do not return items without contacting us first.

Return eligibility

Most items may be returned within 30 days of the delivery date. To qualify, your item must be:

  • Unused and in resalable condition.
  • In its original packaging, including all protective inserts, labels, manuals and accessories.
  • Free from damage, markings, scratches, stains or signs of use.

We may refuse returns that do not meet these requirements.

Items that cannot be returned unless faulty

For hygiene and safety reasons, the following items cannot be returned unless faulty:

  • Items that have been installed, used or modified.
  • Customised or made-to-order products.
  • Clearance or final-sale items, where clearly marked.
  • Opened items that cannot be resold due to hygiene or food-contact handling, where applicable.

Return delivery costs

Reason for return Who pays?
You have changed your mind You are responsible for the return delivery cost.
The item is faulty, damaged in transit or incorrect Cateringbase Ltd will cover return delivery or offer a suitable alternative solution.

We recommend using a tracked delivery service, as we cannot be responsible for returns lost in transit.

Receiving your refund

Once we have received and inspected your returned item, we will process your refund to the original payment method.

Refunds are typically issued within 5–10 business days after inspection, depending on your bank or payment provider.

Original delivery charges: These are non-refundable unless the item is faulty or incorrect.

Exchanges

We can arrange exchanges subject to stock availability. If the replacement item has a different price, we will confirm any additional amount to pay or refund owed.

Need help with a return?

Contact our team with your order number. Return details will be provided once your return is approved.

0121 386 6628sales@cateringbase.co.uk

Frequently Asked Questions

Will this thermocouple fit my boiler or gas fire?

The BES 6336 is a universal 900mm gas thermocouple kit designed to fit many popular appliances and gas valves using the supplied adaptor nuts and fittings. Always check your appliance manual or consult a Gas Safe registered engineer to confirm compatibility before purchase and installation.

Can I install this thermocouple myself?

No. All gas work, including replacing thermocouples, must be carried out by a suitably qualified and registered gas engineer in accordance with local regulations.

What does a thermocouple do on a gas appliance?

The thermocouple monitors the pilot flame. If the flame goes out, the thermocouple cools and signals the gas valve to shut off the gas supply, providing essential flame failure protection.

What does the BES 6336 thermocouple do?

A thermocouple is a safety device that senses the pilot flame on a gas appliance. If the flame goes out, the thermocouple cools down and signals the gas valve to shut off the gas supply, providing flame failure protection.

Is this thermocouple really “universal”?

The BES 6336 is a universal 900mm thermocouple kit supplied with a range of adaptor nuts and fittings. This allows it to fit many popular boilers, gas fires, ovens and heaters. However, no product fits every appliance, so compatibility should always be checked before installation.