EN17147 Elite Brass Siphon Nozzle Adapter – 1/8" NPT Oil Intake x 1/4" Female NPT Air Intake
The EN17147 Elite Brass Siphon Nozzle Adapter is a precision-machined replacement fitting designed for use with Delavan, Hago, and Monarch siphon nozzles. Built from solid brass for corrosion resistance and durability, it ensures a secure, leak-free connection in oil burner applications.
⚠️ Note: This adapter does not include the 1/4" air intake fitting.
✅ Key Features
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Direct replacement for Delavan 17147
 
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Fits 1/8" NPT oil line intake and 1/4" female NPT air intake
 
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Compatible with Delavan, Hago, and Monarch siphon nozzles
 
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Strong brass construction for long service life
 
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Provides a reliable, leak-free connection
 
🔄 Cross References / Replaces
📊 Technical Specifications
| Specification | Details | 
| Product Code | 
EN17147 | 
| Material | 
Brass | 
| Oil Intake Size | 
1/8" NPT | 
| Air Intake Size | 
1/4" Female NPT (fitting not included) | 
| Application | 
Oil burner / siphon nozzle adapter | 
| Compatible Nozzles | 
Delavan 30609, Delavan SNA, Delavan 30610, Hago SN609, Monarch ASP Series Wate Oil Nozzles | 
 
 
🛠️ Compatible With
⚠️ Common Symptoms of a Worn or Faulty Adapter
If the nozzle adapter is failing, you may notice:
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✅ Oil or air leaks around the fitting
 
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✅ Poor burner performance or misfires
 
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✅ Irregular spray pattern from the siphon nozzle
 
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✅ Difficulty maintaining proper pressure balance
 
❓ Frequently Asked Questions (FAQ)
Q: Does this include the air intake fitting?
 A: No, the EN17147 includes only the brass adapter. The 1/4" air intake fitting is sold separately.
Q: What nozzles will this work with?
 A: It is compatible with Delavan, Hago, and Monarch siphon nozzles, including Delavan SNA and Monarch ASP series.
Q: Why choose brass construction?
 A: Brass provides excellent corrosion resistance, machinability, and durability, making it ideal for oil burner fittings.