265 Express Head tank size
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journeyman
GreatGrady Captain
Most likely the 10 gallon Groco tank, with built in macerator pump.
Replaced ours with the 15 gallon Groco Sweettank about ten years ago, and then had to replace the entire pump assembly this year. Larger tank is only seven inches longer, same width and height, so easy to place in its athwartships mounting position under the bridge deck.
Replaced ours with the 15 gallon Groco Sweettank about ten years ago, and then had to replace the entire pump assembly this year. Larger tank is only seven inches longer, same width and height, so easy to place in its athwartships mounting position under the bridge deck.
It's a 10 gallon Groco tank with integrated macerator pump. While the GW manuals are very detailed and provide you most all the info you need on parts (model #'s, etc.), surprisingly it does not list the size of the head holding tank. I recently spent 6 hours face to face with that tank, halfway inside the stbd bench, bent and twisted like a pretzel, working with one arm most of the time, to replace the macerator pump.