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0.25 HP S33R Series LD

Ideal For Quiet Settings

  • Apartments

  • Churches

  • Nursing Homes
Product Number
    Product Specs
  • 0.25 Horse Power
  • 0.7 CFM @ 10 PSI
  • Single
  • 115
  • Wall Mount or Riser Mount
  • Standard pressure (40 psi): Fills a 45-gallon dry pipe system in 30 minutes
  • Low pressure (18 psi): Fills a 122-gallon dry pipe system in 30 minutes
  • Pre-action (10 psi): Fills a 238-gallon dry pipe system in 30 minutes
  • 3/4" NPT Outlet with 1/2" Adapter Included
  • 23” x 12” x 8”
  • 20 lbs Shipping Weight
    Standard Features
  • Digital AMD Gen-3 with Leak Detection™️ – Learn More

  • Appropriate for single-valve systems

  • Whisper quiet

  • Compact design

  • Oil-free and low maintenance

  • Low vibration

  • 5-minute installation

  • Versatile mounting to riser or wall

  • Includes mounting bracket, 30″ flex hose, and 4″ hose clamps

The S33R is our innovative 0.25 horsepower riser mount unit that registers at a low 58 decibels. It is lightweight, weighing just 20 pounds. All C-Aire riser mount compressors ship with our patented riser bracket system, which is the quickest and easiest mounting system in the industry! The S33R is best suited for single-valve small standard systems and pre-action systems. Our Digital Air Maintenance Device allows users and techs to set the system pressure properly in seconds! Our patent-pending Leak Detection shows techs and owners how many times the system has run in the past 24 hours and 7 days! This is a quick and easy way to quantify how leaky a system is. Whisper quiet, compact units that are specifically designed for settings where noise is a concern. These units are oil-free, easy to install, and low maintenance. New construction or tight systems with minimal air leaks are a good match for this series. Our fire protection air compressors are specifically engineered for dry pipe & pre-action fire sprinkler systems. We are committed to enhancing the fire protection industry using customer feedback, new technology, and industry trends to deliver innovative solutions to the market. Call our sales team today to find out more or set up a live demonstration!

Do you need server room protection? The S33R-LD1-115PD is the perfect fit to team up with your dry-pipe system.

1 Year Warranty

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