.85 90 NS - Monarch - Oil Nozzle - 12 Pack

.85 90 NS – Monarch Oil Nozzle (12 Pack)

Monarch .85 90 NS oil nozzles are designed for residential and light commercial oil‑fired burners requiring exceptionally fine atomization and quiet, stable combustion at lower firing rates. Manufactured to Monarch’s exacting standards, these nozzles are widely used in flame‑retention burners where smooth ignition and consistent flame performance are essential.

Technical Specifications

• Nominal Flow Rate: .85 GPH
• Spray Angle: 90°
• Spray Pattern: NS – Hollow Cone
• Rated Pressure: 100 PSI
• Manufacturer: Monarch Mfg. Works
• Pack Quantity: 12 nozzles

NS Spray Pattern (Hollow Cone)

Monarch HollowCons “NS” Series nozzles cover a flow range of 0.50 to 2.00 USGPH and are known for their exceptionally fine atomization. This series produces a quiet, stable flame and performs reliably across many burner designs. NS nozzles are widely used in 80° and 90° spray angles on flame‑retention burners, where the hollow cone spray pattern promotes excellent fuel‑air mixing and dependable combustion.

Applications

• Residential and light commercial oil‑fired burners

• Flame‑retention burners using 90° hollow cone spray patterns

• Boilers and furnaces requiring fine atomization and quiet operation

• Service replacement where Monarch NS spray pattern and 90° spray angle are specified

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