.50 70 AR - Monarch - Oil Nozzle - 12 Pack

.50 70 AR – Monarch Oil Nozzle (12 Pack)

Monarch .50 70 AR oil nozzles are designed for oil‑fired burner applications where quiet combustion and stable flame characteristics are required. Manufactured to Monarch’s exacting standards, the AR series has become widely used due to its proven success in flame retention head burners and is increasingly specified on original equipment.

Technical Specifications
Flow Rate: .50 GPH
Spray Angle: 70°
Spray Pattern: AR – Special Solid Cone
Rated Pressure: 100 PSI
Manufacturer: Monarch Mfg. Works
Pack Quantity: 12 nozzles

AR Series Spray Pattern (Special Solid Cone)

Monarch AR Series (Special Solid Cone) nozzles cover a firing range of 0.50 to 3.50 USGPH and have become widely adopted due to their ability to achieve quiet, stable combustion in certain flame retention head burners. Traditionally regarded as a “cure‑all” replacement nozzle, the AR series is now increasingly specified on original equipment. The special solid cone spray pattern supports smooth flame development, reduced burner noise, and reliable combustion performance across a wide range of residential and light commercial applications.

Applications
Residential and light commercial oil‑fired burners
Flame retention head burners requiring quiet combustion
Original equipment and service replacement where Monarch AR series and 70° spray angle are specified

Cross Reference: for Delavan, Hago, Steinen and Danfoss see Chart