2004 H33 Help w/Sanitation Hose

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Jun 28, 2005
440
Hunter H33 2004 Mumford Cove,CT & Block Island
I am trying to replace existing sanitation hoses which are permeated and smell bad. I cannot seem to remove the hose that runs from the head to the holding tank, it is disconnected at both ends.

I have cut all the plastic clamps that I can find via access holes. The clamps are tie wrap type that are screwed to the aft berth sub-structure that is bonded to the hull. From the locations of the clamps, it would seem Hunter attached the hose and clamps to the aft berth sub-structure before bonding to the hull.

Has anyone changed their hose, and how did they remove it?
Mine seems held somewhere, do I have to cut an access hole?
Help!
 
Last edited:
Sep 20, 2006
2,952
Hunter 33 Georgian Bay, Ontario, Canada
I've only had to remove the hose from the tank to the macerator and also totally removed the macerator and capped the hole in the tank. Will be a long time, if ever, that this boat will be in waters where we can discharge overboard. Used the spare thru-hull for the wash-down pump.


Boats 2 hours away and wrapped up for the winter, otherwise could poke around to see if I could see anything.
 
Apr 19, 2011
456
Hunter 31 Seattle
I'm almost finished replacing my hoses and its been the worst job I've had to do so far. I had to cut the hoses and remove in pieces since they were so hard and packed in tight places. Near the vBerth there is an access port that I used to cut them. A vibrating multi tool was perfect for the job.

on a side note. when installing new hoses be sure to use a heater to soften them up or its nearly impossible. I was using trident 101 hose which is some real tuff stuff. Hopefully they hold up to what people claim!

best of luck!
 
Jun 28, 2005
440
Hunter H33 2004 Mumford Cove,CT & Block Island
Wrong type H33

I'm almost finished replacing my hoses and its been the worst job I've had to do so far. I had to cut the hoses and remove in pieces since they were so hard and packed in tight places. Near the vBerth there is an access port that I used to cut them. A vibrating multi tool was perfect for the job.

on a side note. when installing new hoses be sure to use a heater to soften them up or its nearly impossible. I was using trident 101 hose which is some real tuff stuff. Hopefully they hold up to what people claim!

best of luck!
Mine is aft, but I may have to cut an acess hole, in order to cut hose.
 
Apr 19, 2011
456
Hunter 31 Seattle
I had to cut some fiberglass out from under my sink to get the new hoses in. They are double walled and a lot less flexible than whatever was used before. So, cutting may be the right thing to do. It would of been impossible for me without.
 
Dec 23, 2009
43
Catalina 34 New Orleans Marina
Last summer I replaced all sanitation and bilge pump hoses. They were all stiff from 20 years of buildup. The key to removing the old hose is to use a heat gun to soften the hose around the connection areas. Once heated joints could be undone easily. When installing new hoses be sure to heat the connection area then tighten clamps for a good sealed fit. It was a dirty job but the flow must go on!
 
Apr 19, 2011
456
Hunter 31 Seattle
Last summer I replaced all sanitation and bilge pump hoses. They were all stiff from 20 years of buildup. The key to removing the old hose is to use a heat gun to soften the hose around the connection areas. Once heated joints could be undone easily. When installing new hoses be sure to heat the connection area then tighten clamps for a good sealed fit. It was a dirty job but the flow must go on!
I couldn't get the smell off of me for 2 days on the initial removal! wow, was it bad...
 
Jun 28, 2005
440
Hunter H33 2004 Mumford Cove,CT & Block Island
Has no one with a newer H33, replaced the sanitation hose from the head to the holding tank?
 
Sep 20, 2006
2,952
Hunter 33 Georgian Bay, Ontario, Canada
Has no one with a newer H33, replaced the sanitation hose from the head to the holding tank?

Where does it seem to be hanging up. I had a quick look couple weeks ago when I was at tthe boat, but could not see any really long runs that would be inaccessable at some point.

I assume you looked in the bottom of the locker in the aft cabin. After that it runs under the berth, which is all open? Maybe try cutting it into smaller pieces and remove that way or is that too smelly?
 
Jun 28, 2005
440
Hunter H33 2004 Mumford Cove,CT & Block Island
It is not all open under aft berth

I assume you looked in the bottom of the locker in the aft cabin. After that it runs under the berth, which is all open? Maybe try cutting it into smaller pieces and remove that way or is that too smelly?
It runs under the aft locker, takes a 90 under the berth but not where it is accessable, it then takes another 90, and runs aft. again it is not visible, all the covers on the aft berth are removed, there is an access hole in the side of the center compartment, where I was able to reach in and cut a couple of ties, holding the house.

I believe I have to cut an access hole from the stbd forward compartment under the aft berth, and cut the hose there.
 
Apr 19, 2011
456
Hunter 31 Seattle
something that might help that I did with the hoses running from the engine to the hot water heater...

take an old sheet and run it through the sanitation hose then snake it through the area you want to run the hose as a messanger line. now when you try and push the hose through it should move along the messanger line and not just hit something along the way.
 
Jun 28, 2005
440
Hunter H33 2004 Mumford Cove,CT & Block Island
Getting old one out is issue.

something that might help that I did with the hoses running from the engine to the hot water heater...

take an old sheet and run it through the sanitation hose then snake it through the area you want to run the hose as a messenger line. now when you try and push the hose through it should move along the messenger line and not just hit something along the way.
Thanks but doesn't help me get the old hose out, I plan on attaching a messenger line to the hose before I pull it out, My problem is getting it out, I still think there is a hidden clamp holding it in, It doesn't budge.
 

magne

.
Jul 28, 2012
14
Hunter Hunter 33 Illinois
Sanitation hose

Has no one with a newer H33, replaced the sanitation hose from the head to the holding tank?

I have a Hunter 33 2005. I have changed all hoses regarding the toilet/holding tank
You have to remove the "back wall" in cabinet in aft cabin. and remove plate under bed to get access to parts of it. A good tip to get the hoses loose from connections is to heat the ends with a heating gun. Or else you probably will need to cut them off. Not a pleasant job;)

Best regards Magne from Norway
 
Jun 28, 2005
440
Hunter H33 2004 Mumford Cove,CT & Block Island
2004 H33 different?

I have a Hunter 33 2005. I have changed all hoses regarding the toilet/holding tank
You have to remove the "back wall" in cabinet in aft cabin. and remove plate under bed to get access to parts of it. A good tip to get the hoses loose from connections is to heat the ends with a heating gun. Or else you probably will need to cut them off. Not a pleasant job;)

Best regards Magne from Norway
Thanks, they must have changed from 2004 to 2005, I did remove "back wall" inside aft starboard locker, and removed access panel from floor of locker, can see hose there.

Removing bed "plate" provided no further access to hose.
 
Jan 28, 2012
101
2006 Hunter 33 Santa Barbara
To sea_casper and Magne. H33 sanitation hose

I've been looking at your posts because I have the same problem - I need to change the hose from the head to the tank. I have a 2006 Hunter 33.

Sea_casper, did you ever solve your problem? Your posts go from feb to august, but no mention of success at the end.

Magne - I don't fully understand your comment where you say: "You have to remove the "back wall" in cabinet in aft cabin. and remove plate under bed to get access to parts of it". Is the back wall of the cabinet the thin sheet of cedar wood against the starboard hull side? - in which case what is the "plate under bed"? Or did you mean the back wall being the large access hole from the aft cabin to the area where the holding tank (& fuel tank) are?

My problem is this:
Photo 1 shows the hose going from under the aft berth to the holding tank area. It goes through the narrow fiberglass run - about 18 inches and is secured in there. How to release it?

Photo 2 is a top down shot of the bottom of the aft part of the cabinet in the aft cabin. The hose runs below the white bottom of this space, and the bottom doesn't seem to be removable.

Photo 3 is a top down shot of the bottom of the forward part of the cabinet in the aft cabin. Through the black hole I can feel the hose, but the hole is not big enough to put my hand in and release the securing band.

SO ... would very much welcome any advice on how to get the old hose out, and how to secure a new hose when I get that in place. Sea_casper, Magne, or anyone else have advice?

BTW, what type hose should I use for the replacement? I've been told to "get the best that money can buy". But what is the best? The hose in place lasted 5 years and seems to be the same type that West Marine sell.
 

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Sep 20, 2006
2,952
Hunter 33 Georgian Bay, Ontario, Canada
Jun 28, 2005
440
Hunter H33 2004 Mumford Cove,CT & Block Island
Sea_casper, did you ever solve your problem? Your posts go from feb to august, but no mention of success at the end.
No, I postponed trying to replace it to order to use the boat.

My problem is this:
Photo 1 shows the hose going from under the aft berth to the holding tank area. It goes through the narrow fiberglass run - about 18 inches and is secured in there. How to release it?
There is an access hole on the side that I was able to remove the hose tie thru.

Photo 3 is a top down shot of the bottom of the forward part of the cabinet in the aft cabin. Through the black hole I can feel the hose, but the hole is not big enough to put my hand in and release the securing band.
My hand must be smaller, I think I cut that tie to release it.

BTW, what type hose should I use for the replacement? I've been told to "get the best that money can buy". But what is the best? The hose in place lasted 5 years and seems to be the same type that West Marine sell.
To replace that hose, I think one of the prime attributes of the replacement would be flexibility. Defender has an Italian made , I believe, brand that is flexible.

I was thinking I was going to have to cut access hole(s) into the channel from inside the compartment under the berth, perhaps this spring. I think that if I cut the hose there I could pull it out from both ends.

I found that once I removed the hoses to/from the mascerator, the severe odor was eliminated, removing my urgency to replace that particular hose, and hoping that someone would solve the puzzle.
 
Jan 28, 2012
101
2006 Hunter 33 Santa Barbara
Thanks, sea_casper,for your super quick response!!

I, too, changed the hoses to and from the macerator, hoping that that would fix the problem. And it did improve it for a time, but now the other hose needs to go as well!!

I see two areas where the head/tank hose is secured, and I can't release.

First is under the stbd cupboard, where you say you were able to get your hand in and cut the strap.

Second is where the hose goes through a fiberglass run from under the berth to the aft holding tank area and you say that "There is an access hole on the side that I was able to remove the hose tie thru".

SO ... it would seem to me that you have solved both the problems that I know about. But you still haven't succeeded, so where is the third problem that you have not yet solved, and that I am not yet aware of?

I was thinking that if I really couldn't get into that closed fiberglass run, and that is the only tie remaining, I might be able to use brute force to yank the hose and break the tie (or pull its securing screw our of its hole). That might be better than cutting the fiberglass. Any comments?

Just BTW I mention how helpful it is to have this resource to discuss these things with others that have the same problems?

Your boat is a 2004 and mine a 2006. Wonder why mine went smelly so much earlier? There must be lots of other H33 owners with the same problem, don't you think? So far only Magne has so indicated, but I don't fully understand his solution. Do you?
 
Sep 20, 2006
2,952
Hunter 33 Georgian Bay, Ontario, Canada
I had a smell problem on ours and removed the hose to the macerator completely and capped the outlet at the tank. I cannot use the macerator in my waters. I think what happens is the waste sits in this hose and quickly permeates, being downhill from the tank, unless you use the macerator on a regular basis and flush the hose. All the other hoses do not typically have waste sitting for any period of time.
 
Jun 28, 2005
440
Hunter H33 2004 Mumford Cove,CT & Block Island
Thanks, sea_casper,for your super quick response!!

I was thinking that if I really couldn't get into that closed fiberglass run, and that is the only tie remaining, I might be able to use brute force to yank the hose and break the tie (or pull its securing screw our of its hole). That might be better than cutting the fiberglass. Any comments?

Just BTW I mention how helpful it is to have this resource to discuss these things with others that have the same problems?

Your boat is a 2004 and mine a 2006. Wonder why mine went smelly so much earlier? There must be lots of other H33 owners with the same problem, don't you think? So far only Magne has so indicated, but I don't fully understand his solution. Do you?
My hose runs from the aft compartment into a channel under the berth parallel to the prop shaft. there are a couple of access holes along the edge near the muffler/exhaust hose, from the aft-most hole I was able to cut the hose retainer. I cannot see how the hose runs from there.

I doubt it runs totally down that fiberglass tunnel, makes a 90 deg turn under the forward edge of the berth and then another 90 deg to go forward under the Stbd Locker, to the head.

My boat has two shallow compartments under the berth on the starboard side, it was thru the most forward of those that I plan on cutting an access hole to see what is going on.

Problem one is getting the hose out, problem two will be getting a new hose in. Trident 101 is good hose but doesn't bend very well.

If we end up cutting the hose we will not be able to use the old hose to pull the new hose through. I don't think brute force is a good either, plus I am not much of a brute.

Good luck, I won't be tackling mine until spring. That hose should last forever if you are careful in rinsing it out using fresh water after each cruise or weekend. I now only use fresh water flushes, that alone has improved everything.
 
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