SKU: 67029484754

RMS Tiny House Rainwater Collection System

Sale price$1113.75 Regular price$1237.50
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Description

RMS Tiny House Rainwater Collection SystemPlease allow 2 4 weeks lead time for this product. This package offers all of the pre filtration, pumping, and post tank filtration elements necessary for smaller rainwater harvesting applications such as tiny houses, mobile homes, RVs, sheds, garages, and more. The purification unit comes pre plumbed and pre wired, requiring only two plumbing connections be made and one electrical connection. This system is all powered by either 12VDC or 110VAC

Please allow 2-4 weeks lead time for this product.

This package offers all of the pre-filtration, pumping, and post-tank filtration elements necessary for smaller rainwater harvesting applications such as tiny houses, mobile homes, RVs, sheds, garages, and more.

The purification unit comes pre-plumbed and pre-wired, requiring only two plumbing connections be made and one electrical connection. This system is all powered by either 12VDC or 110VAC connections, 2 amp max. 

Dimensions - 24" Length x 12" Width x 30" Height

Note, picture shown is with 12VDC UV light and junction box.  The 110V model will come with a waterproof GFCI outlet for single plug-in use. 

The filtration and pump system is not designed for outdoor installation.  

Pre-Tank Filtration:

Filtering the water off the roof is essential to giving you the highest quality, healthiest water possible--especially if it is a primary use of water for your application. The WISY Garden Downspout Filter Package will filter out any particles larger than 440 microns and can be mounted in-line with a downspout. Each filter is suited for up to 1,000 square feet of roof area.

Post-Tank Filtration:

Space is at a premium when it comes to small homes, that is why RMS has developed a rainwater filtration system with a minimal footprint and minimal electrical demand. This filtration skid will remove sediment in the water, reduce odors and discoloration, as well as eliminate bacteria in the water by way of the ultraviolet light. We take the guess work out of setting up a filtration system by mounting components and pre-plumbing the filters--all you need to do is plumb into and out of the skid and supply the power. 

 How much water can I collect?

One of the first things to consider when deciding whether or not a rainwater harvesting system will help meet water demands is your collection potential. An easy calculation to determine your collection potential is below: Yearly Rainfall (inches) X Roof Footprint (square footage) X .62 X .95 = Gallons

Note: When picking out a rainwater tank, do not size it to the total yearly collection potential as you will use water throughout the year. If you need help sizing a tank, please follow the link here.

Literature

Tiny House Spec Sheet 

 

Related Articles

How To Set Up A Tiny House Rainwater Collection System

As housing prices continue to soar out of control and climate change continues to devastate, it's not surprising that many people are looking to solve both problems at the same time.

Rainwater Harvesting 101: Tank Overflow

Continuing our series of posts on Rainwater Harvesting 101, today we will look at using an overflow in a rainwater storage tank.

A Guide To Rainwater Harvesting

This guide will discuss rainwater harvesting and its application in all parts of life so you can learn how to capture rainwater effectively.

Shipping Notes
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Exchange/Return Notes
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Exelente el producto muy buena y rapida la entrega , estoy muy satisfecho
Lake Worth, US
★★★★★ 5
Buen producto
Excelente
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Reviewed in the United States on April 16, 2026
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jmia161
Dallas, US
★★★★★ 5
Perfect on 1999 Volvo v90 XC AWD
I had looked everywhere for an oil filter wrench that would fit the cartridge filter on this1999 Volvo v90 XC AWD. Nothing local worked and then there was the issue where the recommended filter wrench slipped. When I was ordering the 86.6mm wrench, I looked at the pictures and noticed it said if I had a specific type of marking on the housing then I would need this 86.4mm wrench instead. Thanks to that bit of info I can now replace the filter. Works 100% like a charm and filter was easy to remove with a standard ratchet. Wrench seems well made and the price was perfect, especially compared to some of the others that are $35+. Very satisfied with this purchase.
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Reviewed in the United States on August 22, 2024
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tony
Belleville, US
★★★★★ 5
It's simply works
Liquid Molly engine flush simply works.. Put it F 150 and eco boost with the chain rattle. Followed the instructions. A week later they rattling stopped. Scene clean all the sludge out.
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Reviewed in the United States on May 24, 2026
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Juan Pena Haddock
New York, US
★★★★★ 5
Works well
Good product
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Reviewed in the United States on March 17, 2026
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St. Paul Girl
Alexandria, US
★★★★★ 5
what a difference !
Note: there are no English instructions. I wanted this cleaning agent to disperse throughout the nooks and crannies of the engine, so about ten minutes before arriving at the mechanic's shop for my oil change appointment, I pulled the car over and poured this into the engine, then drove it the rest of the way there. The mechanic reported lots of sludge drained out with the oil. The engine seems to perform and sound better, as if it's not working as hard.
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Reviewed in the United States on February 15, 2026

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