| Black Tank Replacement Questions [message #344711] |
Mon, 01 July 2019 10:58  |
Stu Rasmussen
Messages: 130
Registered: January 2019
Location: Silverton, OR
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My newly acquired '77 Birchaven came came equipped with a VERY large hole in the black tank where the outlet fitting used to be. (As a side note, both the rear bath units I looked at had similar black tank problems - is this a known design anomaly?)
First question: is Jim's GMC-4 tank the correct one for my coach? https://www.gmcrvparts.com/product-p/gm23-23.110.5.4.htm
Second question: If that is the correct tank, does it come as pictured without holes for the toilet and vent connections - i.e. do I drill them myself?
Third question: Is this replacement tank ABS material or is it something else that needs a special cement for making connections to the tank?
Fourth question: While I am replacing the tank would it be worthwhile to install some sort of flushing mechanism (like https://www.gmcrvparts.com/product-p/gmrv11-0348.htm ) instead of relying on the 'hose and nozzle down the toilet' ritual?
Thanks in advance for any advice.
Stu
Stu Rasmussen W7QJ
Silverton, OR
'77 Birchaven
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