All orders, wherever possible are shipped the same day within the UK as long as it is received before 1 pm.
Orders placed on Friday after 1 pm or the weekend will be dispatched on Monday.
FFD/FSD (Flame Failure Device/Flame Supervision Device) valves like the T-15 are vital for meeting modern safety regulations. They continuously monitor the flame's presence, reacting instantly to any failure by isolating the gas supply, thus preventing dangerous unburnt gas accumulation and ensuring the well-being of occupants and premises.
The FFD/FSD T-15 Gas Valve is an essential safety component for a wide array of gas-fired commercial and industrial equipment, including:
Installation, servicing, and replacement of gas control valves and any gas appliance components MUST be performed by a fully qualified, Gas Safe registered engineer (in the UK) or equivalent certified professional in your region. Attempting to install or repair gas components yourself can be extremely dangerous, may void warranties, and is illegal in many jurisdictions.
At Under Control, your safety and the reliability of your equipment are our top priorities. We supply genuine FFD/FSD T-15 Flame Failure Gas Valves known for their robust construction and consistent, life-saving performance. Trust us to provide the critical components that ensure your gas appliances operate safely and efficiently, meeting all necessary industry standards.
Invest in essential gas safety. Add the FFD/FSD T-15 Flame Failure Gas Valve to your cart today!
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"Essential Safety Upgrade!"
"Replaced an old FFD on our commercial cooker with this T-15 valve. Our Gas Safe engineer found it easy to install, and we now have complete peace of mind knowing our kitchen is safer. Excellent product." - Restaurant Owner, City Centre Bistro, July 2025
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"Reliable and Compliant"
"Used this T-15 FFD for a new boiler installation project. It's a solid, well-built component that ensures we meet all safety regulations. Fast delivery and reliable service from Under Control." - Industrial Heating Solutions, June 2025
Q1: What is an FFD/FSD and why is it mandatory for gas appliances?
A1: An FFD (Flame Failure Device) or FSD (Flame Supervision Device) is a safety mechanism that automatically shuts off the gas supply if the flame on an appliance goes out. This is mandatory for safety as it prevents the dangerous buildup of unburnt gas, which could lead to explosions or carbon monoxide poisoning.
Q2: How does the T-15 valve detect flame failure?
A2: The T-15 valve typically works in conjunction with a thermocouple. The thermocouple is a small probe placed in the flame. When heated by the flame, it generates a tiny electrical current that keeps the gas valve open. If the flame goes out, the thermocouple cools, the current stops, and the valve immediately closes, cutting off the gas supply.
Q3: Is the T-15 a universal replacement?
A3: The T-15 is a common type, but you must always verify compatibility with your specific appliance's make, model, and existing valve. Check your appliance's service manual or consult a qualified gas engineer to confirm the correct part number and specifications (e.g., connection sizes, gas type, flow rates).
Q4: Can this valve be used for both Natural Gas and LPG?
A4: Yes, the FFD/FSD T-15 gas valve is designed for compatibility with both Natural Gas (NG) and Liquefied Petroleum Gas (LPG, which includes propane and butane).
Q5: What does "Manual Reset" mean for this valve?
A5: A "Manual Reset" means that once the valve has cut off the gas supply due to flame failure, it will not automatically reopen even if the flame returns. An operator must manually press a button or reset mechanism on the valve to restore the gas supply after the cause of the flame failure has been identified and corrected. This ensures safety by requiring human intervention.
All orders, wherever possible are shipped the same day within the UK as long as it is received before 1 pm.
Orders placed on Friday after 1 pm or the weekend will be dispatched on Monday.