geO Posted September 26, 2017 Share Posted September 26, 2017 I was wondering what you use for lube for the black and grey tank valves and how often should you use the lubricant? Link to comment Share on other sites More sharing options...
Cobra1169 Posted September 26, 2017 Share Posted September 26, 2017 http://Thetford RV Toilet Seal Lube & Conditioner 36663, 24 oz. Bottle https://www.amazon.com/dp/B002NSU0ZW/ref=cm_sw_r_cp_tai_exVYzb0N90AZS http://Thetford RV Drain Valve Lubricant 15843, 24 oz. Bottle https://www.amazon.com/dp/B000BGK2L0/ref=cm_sw_r_cp_tai_PzVYzbJMHWTNE One per year... 1 Link to comment Share on other sites More sharing options...
geO Posted September 27, 2017 Author Share Posted September 27, 2017 Thank you very much for the info! Link to comment Share on other sites More sharing options...
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