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Bronze Mushroom Thru-Hull Intake  

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  • Solid bronze construction will not corrode over time, and ensures a secure, safe connection through the hull of the boat.
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  • Thru-hulls installed and hose run in a 2011 Supra factory ballast system installation.  We sell all of the components necessary for duplicated this install, just contact us if you have questions.
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Bronze Mushroom Thru-Hull Intake

Item #: 35001
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This bronze thru-hull water intake fitting is the foundation for an automated wakeboard ballast system.

The intake of choice for a fully automated wakeboard ballast system, this mushroom style fitting will not force water through the pumps when running at speed, which means your bags won't fill unexpectedly, but offers an incredibly high volume of water so your pumps can fill at full speed, whether the boat is stationary or cruising across the lake.

Available in a range of sizes depending on what type and number of pumps you'll be using, our mushroom intake supports up a mammoth 7,560 gallons/hour of water, making it more than sufficient for use with even the highest capacity wakeboard ballast pumps.

Size A Flange O.D. B Neck Length C Holesaw Size
Thru-hull Intake Fitting Dimensions 3/4" 1-3/4" 2-1/4" 1-1/16" buy now »
1" 2-1/4" 2-1/2" 1-5/16" buy now »
1-1/4" 3" 3-1/4" 1-11/16" buy now »
1-1/2" 3-1/4"" 3-1/2" 1-7/8" buy now »

Size Capacity Recommended Pump
3/4" 1,440GPH Single 3/4" Aerator Pump
1" 2,200GPH Single 1" Aerator or Single Impeller Pump
1-1/4" 5,900GPH High Capacity Aerator Pump
1-1/2" 7,560GPH Ultra-High Capacity Aerator Pumps

This thru-hull intake fitting is designed specifically for use below the waterline, and as such, has NPS threads extending from the flange almost to the end of the fitting. Those parallel threads make it possible to securely tighten the retaining ring during installation regardless of the hull thickness.

Unlike other traditional thru-hull fittings that require the use of a bulky and expensive (not to mention overkill for ballast applications) sea-cock, our intakes are custom made to blend to NPT thread at the very end, making it simple to assemble our standard bronze ball valves onto the intake for connection to the rest of the ballast system.

The flange is contoured to accept a bead of marine adhesive for a water-tight seal, and is drawn tight against the outside of the hull by the tightening of the included retaining nut snug against the bilge surface.


1 Year
Size: 3/4", 1", 1-1/4", 1-1/2"
Thread Length: 2.20"
Capacity: Up to 7,560GPH
Thread Type: Custom NPS/NPT
Construction Type: Non-corrosive bronze
Manufacturer's #: 35001

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Customer Reviews

  1. Well made product

    Review by Michael on 7/25/14

    Very well made product and a must have for each of the fill pumps to decrees fill times.

  2. Very solid, installed perfectly, and looks like factory installed

    Review by Joshua on 10/13/13

    Great item, it is made very solid and installed clean and flush. It looks like is was installed from the factory. Nothing negative to say about it. It is a great product for what it is designed for.

  3. This thing is heavy!

    Review by Fred on 6/10/13

    It is heavy duty and looks indestructible. Installed it for my new ballast system and it was easy. Looks factory!

  4. Easy install and looks good

    Review by Mark on 6/2/13

    Used the 3/4" on my install. Had two 3/4'inch ones feeding 3 pumps, one feeding two rear bags and separate for front bag. they were running Johnson Impeller Pumps, It seemed to be more than capable of proving enough water for the two pumps when split off.
    Before you start installing find something to go inside to hold 'thru hull' to stop it spinning while you tighten. Also make sure you use good Sealer.

  5. Super high quality

    Review by Courtney on 3/3/13

    The 1 in fitting is well built , it fits so nice in the hull, looks better than factory, very nice and flush to bottom of boat. Great for running two aerator pumps off of this thru hull fitting. The grooves on the inside of the brass fitting made it easier to make the nut tighter on the inside. What more can i say, i know when im driving down river that a high quality piece is under the boat, that i dont have to worry about

  6. Very nice quality

    Review by Tom Neston on 5/25/11

    I put 2 x 1" Bronze Thru-Hull Intakes in my Sanger V230 recently to build an automated ballast system in. Wakemakers was very helpful in walking me through what parts I needed. The Bronze Thru-Hull Intakes are very nice and are of very high quality. I will definitely be ordering more parts from wakemakers.

  7. Great Quality Through Hull

    Review by Chad on 5/9/11

    I was looking at other through hull fitting and came to this one of half the cost. So i ordered it. When it came it was of great weight not thin in any way the threads on it were very nice it tightened up nicely. I liked the grove in the back side for the sealant to get a hold on. The only thing that i noticed that i thought it was going to come with as in the picture was the set screw on the nut. that is a nice feature. Other than that i am exptemely happy with this part.

  8. Great Through hull

    Review by Prostar 205 on 5/9/11

    This part is of nice quality, just installed it on my boat and looks factory.

  9. Great fitting but long

    Review by John on 5/2/11

    The quality of this fitting was great but it is so long it can make installation difficult. I installed Rule 1100 gph pump directly into a gate valve on top of the fitting and I had a hard time finding location that would allow the pump to fit because the fitting came thru the hull by about 1.5 inches. May need a street 90 when installing an aerator pump on this fitting.

  10. Excellent through hull fitting

    Review by Tim on 5/1/11

    This 1 inch through hull is a very solid hunk of brass. The inside of the fitting has 2 formed lines that made it very easy to hold in place while tightening down the fitting. Combinded with the 3M 4000 it sealed very well.

  11. Great Product

    Review by TexasAg01 on 6/4/10

    Easy to install and looks great.

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