Rule In Line Marine Bilge Blower, Slip On Connections, Efficient and Quiet High Volume Air Flow

WORKS GREAT / MOVES A LOT OF AIR.

I am using the Rule 240 blower as an inline booster fan for our restroom's exhaust fan. I installed it in the attic, suspended using straps and the support from the ducting. The reason I did that was to isolate the vibration of the blower from the struts. If I directly attached it, the vibration is enough to create a humming noise throughout the whole house. With the straps, the fan is not audible.That noise, now isolated, is actually a testament to the amount of air that is moved through this fan. I use the 12v 6a Adapter Power Supply for LCD Monitor with Power Cord as the power supply to power it, and it has been working great so far. The blower is switched by the same wall switch hooked up to the exhaust fan. Using this power supply, since it is a switched mode one, there is a small delay in turning on the blower; and that's when things get interesting.As we flipped the switch, the exhaust fan turned on right away and would have the same noise as it did before (it's a low-cost Broan). But as soon as the blower fan started, we could hear a "swish", and the Broan fan is now almost quiet, leaving the blower fan doing all the work. As an engineer, this is easy to understand, since the blower fan has created a very low pressure zone for the Broan exhaust fan, so it is under very little stress. The rated spec of the blower gives about 3 times the airflow of the Broan exhaust fan, and the result is consistent with that.I tested the air flow from under the closed bathroom door as well, to see what the air flow rate has changed. With the blower fan, it almost feels like there is a gush of air coming in from outside the bathroom. The best part was the "hot shower test". In the past, with only the Broan exhaust fan running, there would still be a lingering mist in the bathroom after a 5-minute (we are green) shower. Now? Nothing. No fogging in the mirror, and if I observed it during the shower, I could see the mist being sucked up at a really high rate. Given that this is a bilge pump, I also have a lot of confidence that the moisture is not going to change its reliability, and it's perfect for the purpose.Overall, I am extremely happy with the purchase. It solves the air circulation and ventilation problem in our upstairs bathroom AND corridor (yes, it sucks that much air). I recommend it.

This marine bilge blower works great. I installed this in my boat last season without a hitch, and it has worked as expected since. The unit is pretty quiet while operating, I sometimes have to verify that it is working by opening the bilge hatch.The installation of this bilge blower was simple. All you have to do is connect a positive 12v DC source (mine is on a switch) to the red wire, and then connect the black wire to the battery's negative terminal, or another ground source. Then you can run ducting from the unit to a vent, to rid your bilge of gas fumes. In my case, I already had an intake and exhaust cowl for venting the bilge on my boat, but the bilge only vented properly while the boat was underway. I just positioned this blower near the exhaust cowl on my boat..The unit is constructed of a standard plastic material. It seems to be well made, and under normal conditions, I'm sure it will hold up just fine.If you find a use for this unit inside of your home (as some reviewers have), you will also need an "AC to DC power converter," which you can find here on Amazon.Hope this helps.

unit moves air very good but is noisy. i isolated the motor with rubber gaskets from the boat floor to help the vibes. the motor is not supposed to run all the time so i needed some noise to know when to manually cycle it on and off. i have a center console bay boat and am using the blower to circulate fresh air in the cavity where the fifty gallon fuel tank is located. the tank is vented but the space under the floor is not.?? if there is ever a gas leak in the cavity you won't know it until the boat runs out of gas or worst, blows up. i turn the motor on for two or three minutes before starting the engine just to be safe. this little motor is doing the job so far. i would think if it ran continuously it would not last very long. i mounted it under the center console out of the weather but it still can dissipate heat. i didn't have to cut a hole in the floor, i just made a type of wooden bracket and mounted the motor above a round six inch inspection port. you can use metal clothes dryer duct for vent material because its a four inch motor. the motor is as described, but needs to be better packed although it arrived in good condition. the problem is the manufactures box the motor comes in from china. its cheap and flimsy and had came apart in the amazon box and the motor was rattling and rolling around.

This fan / bilge blower works great. Moves a lot of air. Runs at 4.5amps. BUT DO NOT buy the 12v 6a Power Supply for LCD monitor, recommended in other reviews, if you want to run this off an AC-to-DC power supply. It will not work. It will simply pulse on and off. I bought the 12v 7a Power Supply for LCD monitor also thinking the 6a wasn't enough. Did not work either. Fan simply pulses on / off.BUY one of these universal regulated power supplies for $25 or less. http://www.amazon.com/Universal-Regulated-Switching-Computer-Project/dp/B00D7CWSCG/ref=sr_1_2?ie=UTF8&qid=1411779925&sr=8-2&keywords=12v+360+watt+led+power+supply. This is the 12v 30A version. You could probably buy the 10A version but the price difference isn't much. You connect a 16/3 extension cord replacement from Home Depot with its Black (Live), White (Neutral), and Green (Ground) wires to the 110 screws on this power supply. The remaining screws produce 12V positive and negative as labeled. And you can adjust voltage up or down from the 12v produced if you need to. Check these out on YouTube too. If you want to be fancy you can put a switch in 12v line and run it off this power supply or off a battery.

Install was a pain but that because of were this goes on my boat. It was plug and play. Some reviews said it loud. Once installed on my 20” boat I flipped my switch with my engine hatch open and though it was bad from stock because I didn’t hear it. Works fine!!!