The Deck Mount Monitor – 1250 GPM is a high-capacity firefighting monitor designed for permanent apparatus and fixed-installation applications. Featuring a full 3" waterway capable of delivering up to 1250 GPM, this monitor provides efficient water flow and dependable performance for municipal, industrial, and specialized firefighting operations.

Engineered with durability and ease of operation in mind, the monitor features a fully enclosed worm gear drive system that is protected from the elements, a large carrying handle for portability during installation, and a liquid-filled pressure gauge for accurate system monitoring. Dual spring-loaded lock pins allow for quick assembly and disassembly, while the built-in safety stop enhances operational safety during elevation adjustments. Compatible with a wide range of nozzles and accessories, this monitor offers versatility for a variety of firefighting applications.

Features

• Full 3" waterway supports flows up to 1250 GPM (4800 LPM)
• Designed for deck mount installations
• Four-bolt or threaded flange required (sold separately)
• Large carry handle for improved portability and handling
• Fully enclosed worm gear protected from environmental exposure
• Liquid-filled pressure gauge for accurate pressure monitoring
• Dual spring-loaded lock pins for quick assembly and disassembly
• Compatible with a wide range of nozzles and accessories
• Built-in safety stop enhances operational safety
• Durable construction for demanding firefighting environments

Specifications

• Model: 4622-M
• Product Type: Deck Mount Firefighting Monitor
• Maximum Flow Rate: 1250 GPM (4800 LPM)
• Operating Pressure: 100 PSI (7 BAR) to 580 PSI (40 BAR)
• Waterway Size: 3"
• Inlet Connection: 3" (Four-Bolt Flange or Threaded Flange Required, Sold Separately)
• Outlet Connection: 2-1/2" (65 mm)
• Control Type: Single Handwheel
• Vertical Travel: 63° from 12° to 75° above horizontal with built-in 37° safety stop from 18° to 55° above
• Rotational Travel: 180°
• Material: Alloy
• Finish: Red Powder Coating
• Weight: 27 lbs. (12 kg)