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TomR's picture
TomR
Last seen: 4 days 5 hours ago
Joined: 12/4/17
Posts: 21
Replacing hot water heater & hoses

I am in the process of replacing an old hot water heater (off season project). I have the old one out and actually bought an exact Seaward replacement through Walmart on sale. It was the best deal on the internet and free delivery to boot. However, after reading this forum I will also replace the exchanger hoses to the heater. I plan on buying Shields Series 135 Heavy Duty Water hose 5/8 inch. The best deal seems to be though go2marine.com at a fraction of the West Marine price. Does anyone know what lenth hoses I need to buy? I was going to purchase 2 ten ft hoses, but that seems like way too much.
    
Thanks, 
Tom R
ObLaDi ObLaDa
C36 MkII, Hull 1998
North East, MD
 

Tom Runiewicz
ObLaDi ObLaDa
Catalina 36 MkII, Wing Keel, Tall Rig
Hull #1998
North East, MD
 

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Tom Runiewicz
ObLaDi ObLaDa
Catalina 36 MkII, Wing Keel, Tall Rig
Hull #1998
North East, MD
 
Haro's picture
Haro
Last seen: 3 hours 36 min ago
Joined: 11/7/14
Posts: 248

Tom, I replaced mine recently. Here is the link to my project   http://mei1970.org/saillavie/
For more photos view the album photos aswell.
Click on Hot water Heater replacement. If you are refering to the hoses that carry the antifreez then they are 11 feet 8" and 11 feet 1" for my 1999 C36. I would imagin yours is the same. I tied a line to one of hose and pulled it out while the line went in its place. I then had the entire hose out and I could measure it accuarately. You can always push the excess back under the hull lining.
Good luck with the project. For me it required that I remove 2 cabinets and disconnect the charger.
Haro.
 

TomR's picture
TomR
Last seen: 4 days 5 hours ago
Joined: 12/4/17
Posts: 21

Haro,

Thank you, your link was excellent. Especially reguarding not letting air into the antifreeze system. Unfortunately I already lost a fair amount of antifreeze when I took the hoses off the heater. I'll need to refill and bleed the air out. 

BTW I'm also thinking of installing a hot water heater by-pass using a 3 way valve before the cold water intake & a shut-off valve after the hot water outflow. Reconnecting the by-pass with a Y connector to the hot line after the shut-off valve. That way I can easily winterize the heater by opening and closing the valves and draining it. Otherwise I have to undo and redo the connections each season in a a tight space.Think I found a shut-off valve & Y connector to withstand the hot water. The water lines are 1/2"  tube, correct? I need to buy extra tubing & make sure the valves and connectors fit.
The antifreeze line is 5/8" to the heater. What did you use? I was going to buy Shields 135 Heavy duty water hose.

Fun off season projects...
 

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Tom Runiewicz
ObLaDi ObLaDa
Catalina 36 MkII, Wing Keel, Tall Rig
Hull #1998
North East, MD
 
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