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Author Topic: Draining hot water tank coolant hoses  (Read 124 times)

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kable

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Draining hot water tank coolant hoses
« on: July 26, 2022, 04:55:48 PM »

I am going to attempt to replace my hot water tank hoses.

I am going to follow Stu's method of draining the coolant by un-clamping the hose coming off the fresh water pump at the elbow joint and catching in a bucket.
https://c34.org/bbs/index.php/topic,4518.msg26462.html#msg26462

But how do I drain the coolant in the hoses heading to the hot water tank?  They are fed by 3/8" hoses off the top of the fresh water pump and the thermostat and head down and connect to the long 5/8" hoses before heading under the floor pan.  So they are above the section being drained and I assume will be full.

How do I not make a mess? ;>)
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1988 C34 #785 SR/WK Universal M25XP - "As We Wish" Bellingham, WA - San Juan Islands

waughoo

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Re: Draining hot water tank coolant hoses
« Reply #1 on: July 26, 2022, 06:18:31 PM »

I took them both off at the engine t-stat housing and then blew into one while the other was faced into a bucket. This got 99% of the water out of the circuit of the hoses. Once that was done I remove the hoses from the hot water tank and pulled them through that way. This gave me the minimal amount of spillage when replacing them.
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Alex - Seattle, WA
91 mk1.5 #1120
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kable

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Re: Draining hot water tank coolant hoses
« Reply #2 on: July 26, 2022, 08:39:56 PM »

Thanks
Not sure why I didn't think of that.
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1988 C34 #785 SR/WK Universal M25XP - "As We Wish" Bellingham, WA - San Juan Islands

KWKloeber

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Re: Draining hot water tank coolant hoses
« Reply #3 on: July 27, 2022, 07:30:37 PM »

JFWIW,

EG antifreeze is toxic.
PG antifreeze is nontoxic.
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