I purchased a Hunter 37-C and discovered that the toilet hose is going directly through the old tank and out into the lake. I have stopped it by simply shutting off the through the hull valve and not using the system. Now, how do I get the old tank out and a new one in? Can some one who has done this please let me know. Thanks
- Status
- Not open for further replies.
P
Pete Vente
Good luck
You are experiencing a notorious design "issue" of the h-37C. The only way to replace it is to cut it out, with the most likely access being under the starboard side of the v-berth. Don't underestimate how difficult this may appear. Some owners have just given up on it and are using a new holding tank placed either under the v-berth or in the hanging locker. When I bought my boat, I had the same situation as you. One of the previous owners decided to convert the holding tank into a freshwater holding tank for a cockpuit spraydown/shower. I have since installed a Lectra-San under the v-berth and it is working great. Pete
You are experiencing a notorious design "issue" of the h-37C. The only way to replace it is to cut it out, with the most likely access being under the starboard side of the v-berth. Don't underestimate how difficult this may appear. Some owners have just given up on it and are using a new holding tank placed either under the v-berth or in the hanging locker. When I bought my boat, I had the same situation as you. One of the previous owners decided to convert the holding tank into a freshwater holding tank for a cockpuit spraydown/shower. I have since installed a Lectra-San under the v-berth and it is working great. Pete
P
Peggie Hall/Head Mistress
How's that again?
You're saying that hose just passes unbroken through the tank....it doesn't end at an inlet fitting, and another hose start again at an outlet fitting??? Wow--THAT's creative! You may not need to replace the tank. Seems to me the simplest approach would be to cut the hose (or better yet, replace it) and plumb the existing tank correctly--a hose in, and a hose out that goes to a deck pumpout fitting.
You're saying that hose just passes unbroken through the tank....it doesn't end at an inlet fitting, and another hose start again at an outlet fitting??? Wow--THAT's creative! You may not need to replace the tank. Seems to me the simplest approach would be to cut the hose (or better yet, replace it) and plumb the existing tank correctly--a hose in, and a hose out that goes to a deck pumpout fitting.
D
Debra Blatnik
What year H37C
The 79 37 Cutter (at least mine) had a bladder tank mounted under the v-berth (correctly mounted on a vertical bulkhead.) The bladder was mounted in the same space under the v-berth that contains the thru-hull. There should also be a y-valve and the hose that connects to the deck pump-out. The area under the shower seat (where the previous yrs. holding tank was) is "wasted space." This is easily reclaimed by adding an access panel to the front of the shower seat. Anyway, check to see if this is the way it was originally set up. It would be easy to recreate. I know Peggy doesn't like the bladder tanks, but mine seems to be working OK. They are available through Sailnet, and I believe boat US.
The 79 37 Cutter (at least mine) had a bladder tank mounted under the v-berth (correctly mounted on a vertical bulkhead.) The bladder was mounted in the same space under the v-berth that contains the thru-hull. There should also be a y-valve and the hose that connects to the deck pump-out. The area under the shower seat (where the previous yrs. holding tank was) is "wasted space." This is easily reclaimed by adding an access panel to the front of the shower seat. Anyway, check to see if this is the way it was originally set up. It would be easy to recreate. I know Peggy doesn't like the bladder tanks, but mine seems to be working OK. They are available through Sailnet, and I believe boat US.
E
Ed Schenck
H37C's most common problem.
If you will check the link below you will get some idea of how common. And that is just the archives for last year. My 1979, like Debra's, has the center v-berth bladder tank. And like hers mine works fine. I have heard this from enough other owners to believe that the early models were delivered that way. On the other hand, if I look in the starboard v-berth I can see a hole that goes under the shower seat. Would they have built the boat that way or did someone cut out an original aluminum tank? Don't know for certain. At any rate most H37Cs came with an aluminum tank under that seat. Most have leaked and been replaced. The center v-berth is OK but requires longer hose runs than I like. Requires too much water to keep the hoses clear which fills the tank too quickly. Good luck. Ed(h37skipper@aol.com)
If you will check the link below you will get some idea of how common. And that is just the archives for last year. My 1979, like Debra's, has the center v-berth bladder tank. And like hers mine works fine. I have heard this from enough other owners to believe that the early models were delivered that way. On the other hand, if I look in the starboard v-berth I can see a hole that goes under the shower seat. Would they have built the boat that way or did someone cut out an original aluminum tank? Don't know for certain. At any rate most H37Cs came with an aluminum tank under that seat. Most have leaked and been replaced. The center v-berth is OK but requires longer hose runs than I like. Requires too much water to keep the hoses clear which fills the tank too quickly. Good luck. Ed(h37skipper@aol.com)
D
David Ashburn
Thanks for all the help
That is right Peggy. The tank has been cut and the hose goes through the tank and out the other side and directly to the exit valve. This is a 1979 model. I think I have a starting point now. Thanks again
That is right Peggy. The tank has been cut and the hose goes through the tank and out the other side and directly to the exit valve. This is a 1979 model. I think I have a starting point now. Thanks again
E
Ed Schenck
Dave, what hull #?
Just curious as whether the holding tank was changed midstream in 1979. Mine is #074(HUN37074M79H). Also see "Added Holding Tank..." in link below.
Just curious as whether the holding tank was changed midstream in 1979. Mine is #074(HUN37074M79H). Also see "Added Holding Tank..." in link below.
D
David Ashburn
Response to Ed on Hull #
Ed Sorry it took so long to answer. I have #52. The hull # is 37052M79F. I do not know what the M and F stand for. There is probably a better way to send you a message but I am not sure how in this forum.
Ed Sorry it took so long to answer. I have #52. The hull # is 37052M79F. I do not know what the M and F stand for. There is probably a better way to send you a message but I am not sure how in this forum.
E
Ed Schenck
So much for the idea that. . .
the early models came with bladder holding tanks. My 1979 #74 has a bladder in the v-berth but Dave's 1979 #54 had the aluminum tank under the shower seat. Could they have just picked the tank they wanted to install as they built them? At any rate neither one is a good option. My final solution will be a 30 gal. Ronco in the center v-berth compartment, despite the long hose runs.
the early models came with bladder holding tanks. My 1979 #74 has a bladder in the v-berth but Dave's 1979 #54 had the aluminum tank under the shower seat. Could they have just picked the tank they wanted to install as they built them? At any rate neither one is a good option. My final solution will be a 30 gal. Ronco in the center v-berth compartment, despite the long hose runs.
P
Peggie Hall/Head Mistress
Till the mid '80s, holding tanks were prob'ly
optional if the factory installed 'em at all, but most likely owner added later. The Federal Water Pollution Act of 1977 was the first federal legislation requiring boats to treat or hold...none of the states enacted any legislation to enforce it till well after 1980. The Great Lakes were the only "no discharge" waters. "Despite long hose run..." HOW long?
optional if the factory installed 'em at all, but most likely owner added later. The Federal Water Pollution Act of 1977 was the first federal legislation requiring boats to treat or hold...none of the states enacted any legislation to enforce it till well after 1980. The Great Lakes were the only "no discharge" waters. "Despite long hose run..." HOW long?
- Status
- Not open for further replies.