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Epic Forum / Re: Hot water coming up underneath the floor under the dash!
« Last post by Epic Dave on July 20, 2023, 19:45:03 pm »Sounds like a leaking heater core. Very common after winterization.
You have several options:
1) ($) If you don't need the heater, block off the inlet/outlets at the engine or install a short loop hose between the two.
2) ($$) I got a new, improved core copper tube core from Zoro a couple years ago that fit the old heater box almost perfectly - just needed one slight modification. That costs around $100.
http://www.epicmarine.com/forum/index.php?topic=2957.msg21584#msg21584
https://www.zoro.com/maradyne-tubefin-heater-coil-16-ta8000437/i/G8055419/?q=G8055419
Unfortunately, it looks like Zoro is out of stock or no longer carries it. This might be the same one, but you would need to verify:
https://www.boat-heaters.com/47032-maradyne-marine-replacement-core-for-stoker-16-heater.html
3) ($$$) Replace the whole unit with a new, improved Heatercraft unit for around $350.
https://innerdemonmotorsports.com/products/300-series?variant=41253739790514
You have several options:
1) ($) If you don't need the heater, block off the inlet/outlets at the engine or install a short loop hose between the two.
2) ($$) I got a new, improved core copper tube core from Zoro a couple years ago that fit the old heater box almost perfectly - just needed one slight modification. That costs around $100.
http://www.epicmarine.com/forum/index.php?topic=2957.msg21584#msg21584
https://www.zoro.com/maradyne-tubefin-heater-coil-16-ta8000437/i/G8055419/?q=G8055419
Unfortunately, it looks like Zoro is out of stock or no longer carries it. This might be the same one, but you would need to verify:
https://www.boat-heaters.com/47032-maradyne-marine-replacement-core-for-stoker-16-heater.html
3) ($$$) Replace the whole unit with a new, improved Heatercraft unit for around $350.
https://innerdemonmotorsports.com/products/300-series?variant=41253739790514