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Rain Maker download ManualClick here to view the assembly manual
New Support Leg 1   New Support Leg 2   New Support Leg 3
The new support leg clamp system

View the Rain Maker Demo Video HERE

View the NEW SUPPORT LEG video HERE

The Rain Maker is a patented, lightweight aluminum spray rack that’s designed to be set up in 2 minutes and is guaranteed to pass the ASTM E 331 standard at any given time. It has a 5 year limited warranty and has been saving structural and architectural test engineers time and money since 2005.

The Rain Maker spray rack is made of anodized aluminum, making it non-corrosive, lightweight and durable.

Standards used for:
ASTM E1105    ASTM E331    ASTM E547    ASTM E2128    ASTM E2112    AAMA 502-08    AAMA 511-08    AAMA/WDMA/CSA 101/I.S. 2/A440-08

ASTM requires calibration of spray racks every 6 months.
Click here for info on calibration equipment.

$3395.00

includes 5 year limited warranty & shipping

Features:

  • Cut up to 2 hours of labor costs with our 2 minute set up time
  • Lightweight, compact carrying bag
  • The aluminum design guarantees years of use
  • Virtually maintenance-free
  • Calibrated according to ASTM E331, and E1105 standards
  • Calibration test result sheet included with each Rain Maker
  • Under the 50 pound luggage weight limit for air travel
  • 5 year manufacturer's limited warranty

FIVE-YEAR LIMITED WARRANTY

When the Rain Maker spray rack is assembled and operated according to instructions attached to or furnished with the product, the RM Group will replace parts to correct defects in materials or workmanship for a period of five years from the date of purchase.

Damage resulting from accident, alteration, misuse, abuse, fire, flood, improper assembly, acts of God or use of parts not specifically designed for the Rain Maker spray rack is not covered under this warranty.

ASTM E331-00 GUARANTEE

The RM Group guarantees that the Rain Maker spray rack will pass the ASTM E331-00 calibration test at any time when 12 psi water pressure is used and the ASTM E331-00 calibration test is properly administered.

Add this hardshell case for $209.95.

With wheels and shoulder pull strap, it's as easy as a suitcase to walk the Rain Maker through the airport. Large handles make it easy to pull out of your truck or van.
Brass quick couplers are watertight. Couplers are easy to use and quick to assemble Adjustable standoff legs insure a 20-inch distance from the window regardless of the building's exterior. Designed for one person to assemble. Assemble in place in under 2 minutes. The spray rack support leg features a new clamp lever system that insures total safety and stability. It will extend long enough to test a second story window. Quick-connect hose attachment makes attaching the hose instantaneous, and the valve lever is very precise. It has a full 1/2 inch opening when all the way open to maintain the highest possible water pressure. The water pressure gauge is accurate and quick to attach as well.