Suntec R261NL Solenoid Shut Off Valve | 12VDC / 24VAC for A & B Pumps
📝 Product Description
The Suntec R261NL Solenoid Shut Off Valve is designed for reliable fuel cutoff in Suntec A and B Series pumps. Built for durability and efficiency, this valve ensures safe and precise control of #2 heating oil and lighter fuels. With dual voltage compatibility (12VDC or 24VAC) and a 300 PSI maximum rating, it’s suitable for a wide range of burner and pump applications.
Not compatible with blends containing more than 5% biodiesel, this valve maintains optimal performance under standard heating oil conditions.
✅ Key Features
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✅ Fuel Compatibility: For #2 or lighter heating oil fuels
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✅ Dual Voltage: Operates on 12VDC (0.60 Amp) or 24VAC (50/60 Hz)
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✅ High Pressure Rating: Up to 300 PSI
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✅ Pump Compatibility: Fits all Suntec A & B Series pumps (except delay models rated at 150 PSI)
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✅ Threaded Connection: 1/8″ FPT inlet for easy installation
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✅ Safe Operating Temp: Works with fluids up to 75°F (24°C)
📊 Specifications Table
| Category | Details |
|---|
| Model |
Suntec R261NL |
| Voltage |
12VDC (0.60 Amp) / 24VAC 50/60 Hz |
| Fuel Compatibility |
#2 heating oil or lighter |
| Max Pressure |
300 PSI |
| Temperature Limit |
75°F (24°C) |
| Inlet Size |
1/8″ FPT |
| Pump Compatibility |
Suntec A & B pumps (except delay models) |
| Biodiesel Use |
Not compatible with blends >5% |
⚠️ Common Symptoms (When to Replace)
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Burner fails to shut off fuel properly (run-on after shutdown)
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Fuel leakage around the solenoid connection
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Valve fails to open, preventing burner startup
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Inconsistent burner operation (intermittent firing or misfires)
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Electrical failure (burned coil, no voltage response)
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Solenoid sticking or buzzing during operation
❓ Frequently Asked Questions (FAQ)
Q1: What pumps does this solenoid valve fit?
➡️ It installs on all Suntec A & B pumps, except for delay models rated at 150 PSI.
Q2: Can this be used with biodiesel?
➡️ No. It is not compatible with fuel blends containing more than 5% biodiesel.
Q3: What is the maximum operating pressure?
➡️ This valve supports up to 300 PSI.
Q4: Is this solenoid dual voltage?
➡️ Yes, it works with 12VDC (0.60 Amp) and 24VAC (50/60 Hz) power sources.
🛒 Shopping Tips
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🔧 Ensure your pump is a Suntec A or B Series model (not a delay model).
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🌡️ Keep operating fluid temperature below 75°F (24°C).
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🛑 Do not use with biodiesel blends greater than B5.
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⚡ Match your system voltage before installation (12VDC or 24VAC).
