12110P Beckett Firomatic B100F 3/8 NPT(F) x 3/8 NPT(F) Inline Fusible Valve
📝 Product Overview
The Beckett 12110P Firomatic B100F Inline Fusible Valve is a high-quality safety shut-off valve designed for fuel-oil lines. Its straight-valve design ensures reliable operation, automatically cutting off oil flow in the event of a fire to protect your system and property. Constructed from robust brass with a Viton equivalent seal, it resists high temperatures and ensures long-lasting durability.
This valve replaces old Firomatic part numbers: 9120-100-0, 91201000, B-100-F, and B100F.
✅ Key Features
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✅ 3/8" FPT x 3/8" FPT inline fusible valve
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✅ Safety shut-off automatically stops oil flow during a fire
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✅ Straight-valve design for reliable performance
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✅ Robust brass construction ensures long-lasting durability
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✅ High-temperature Viton equivalent seal compatible with No. 2 fuel oil, kerosene, and up to 20% biodiesel
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✅ UL/ULC 842 listed for compliance in the US and Canada
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✅ Embossed flow direction and unique part number identification
📊 Specifications
| Feature | Details |
|---|
| Part Number |
12110P |
| Brand |
Beckett |
| Type |
Inline Fusible Valve |
| Size |
3/8" FPT x 3/8" FPT |
| Material |
Brass |
| Seal Material |
Viton Equivalent |
| Applications |
Residential oil heating installations |
| Safety Listings |
UL/ULC 842 |
| Replaces |
Firomatic 9120-100-0, 91201000, B-100-F, B100F |
⚙️ Applications
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Residential oil heating systems requiring fusible safety valves
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Installation inline with oil tank or burner lines
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Situations where a Fusible Tank Valve cannot be installed
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Provides automatic fire protection for fuel-oil systems
⚠️ Common Symptoms (When Replacement is Needed)
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Oil continues to flow despite fire or high-temperature hazard
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Valve is leaking or difficult to open/close
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Damaged or worn seals causing loss of safety function
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Corrosion or mechanical wear affecting valve operation
❓ Frequently Asked Questions
Q1: What type of fuel can I use with this valve?
➡️ Compatible with No. 2 fuel oil, kerosene, and up to 20% biodiesel blend.
Q2: Is this valve required by code?
➡️ Yes, in residential oil heating installations in accordance with NFPA 31.
Q3: Can this valve be installed in place of a fusible tank valve?
➡️ Yes, this inline fusible valve is ideal where a tank-mounted valve cannot be used.
🛒 Shopping Tips
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✅ Check pipe size: Ensure your oil line is 3/8" FPT
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✅ Inspect existing valve: Replace if leaking or damaged
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✅ Compliance: Make sure your system installation meets UL/ULC and NFPA requirements
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✅ Flow direction: Align valve according to the embossed arrow for proper operation
