Merlin FAB1 Fire Alarm Bypass Panel with Adjustable Gas Isolation Override and Emergency Shut-Off Button
Delivery estimate is between 2-3 working days
The Merlin FAB1 Fire Alarm Bypass Panel allows adjustable gas isolation override during fire alarm testing, with LED indicators, emergency shut-off, and Merlin system compatibility for safe, compliant operation.
- All prices include VAT
- Estimated Delivery: For most items (over 99% of our products), orders placed before 3pm on working days will be dispatched the same day with our Fast DELIVERY 1st class service. For the rare items not immediately in stock, dispatch may take 1-3 working days after receiving your order. If your order cannot be dispatched the same day, we will notify you via email.
- For boilers: We aim to dispatch on the next working day. However, in some cases, it may take 2-3 working days to dispatch. Rest assured, we will always strive for the fastest possible turnaround.
The Merlin FAB1 is a dedicated fire alarm bypass panel designed for use with the Merlin gas safety system suite, allowing operators to temporarily override gas isolation signals during scheduled fire alarm testing. This prevents unintended gas shut-off, ensuring that boilers, heaters, and other critical appliances remain operational during system checks.
The bypass period is adjustable between 10 and 45 minutes using internal dip switches. During this time, fire alarm signals are ignored by the gas isolation system, while the emergency shut-off button remains active for safety. The panel includes LED status indicators and a fascia-mounted key switch for user control.
With its compact design, ease of installation, and full compatibility with Merlin gas panels, the FAB1 enhances both operational efficiency and compliance across commercial and industrial installations.
Key Features
• Temporary Fire Alarm Bypass for Gas Isolation – Prevents unnecessary gas shutdowns during scheduled fire alarm testing
• Adjustable Bypass Duration – Can be set between 10 and 45 minutes using internal dip switches
• Emergency Gas Shut-Off Button – Allows manual shutdown at any time, even during the bypass period
• Ensures Heating Systems Remain Operational – Prevents unwanted disruptions to boilers and heating systems during testing
• Clear LED System Indicators – Provides real-time status updates for easy monitoring
• Compatible with Merlin Gas Safety Systems – Seamlessly integrates with Merlin gas isolation panels
• Compact & Easy to Install – Simple wiring and installation with minimal maintenance
• Three-Year Manufacturer Warranty – Covered by S&S Northern Ltd for long-term reliability
Applications
• Commercial Buildings & Industrial Facilities – Ensures uninterrupted heating during fire alarm testing
• Boiler Rooms & Mechanical Spaces – Prevents unnecessary gas shut-off while maintaining emergency safety
• Laboratories & Research Facilities – Allows controlled gas supply override during safety system checks
• Schools, Hospitals, & Public Buildings – Ideal for fire safety compliance and operational efficiency
Technical Specifications:
| Feature | Details |
|---|---|
| Brand | Merlin (S&S Northern Ltd) |
| Product Name | Merlin FAB1 Fire Alarm Bypass Panel |
| Product Code | FAB1 |
| Bypass Duration | Adjustable (10–45 Minutes) via Dip Switches |
| Emergency Gas Shut-Off | Yes, Manual Fascia-Mounted Button |
| Fire Alarm Integration | Yes |
| System Indicators | LED Display for Status Monitoring |
| Compatible Systems | All Merlin Gas Safety & Isolation Systems |
| Installation | Easy Setup, Minimal Maintenance |
| Dimensions | Height: 140mm | Width: 190mm | Depth: 62mm |
| Warranty | 3 Years (S&S Northern Ltd) |
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