I recall Mike from RMW mention the cost would jump substantially, if something like this was incorporated.

BenT 
sent from my electronic leash

> On Nov 6, 2015, at 5:47 AM, Robert Fisher <garciasghostvw@GMAIL.COM> wrote:
> 
> I wonder how hard it would be to fit a gauge like this to the stainless (?)
> tanks that whichever vendor that is sells ... ?
> 
> http://www.blupaxasia.com/blupax/images/products%5Cliquid_level_gauges%5Clevel_gauges%5Clevel_gauges_industrial_mini.jpg
> 
> (Hopefully that link will work.)
> 
> On Thu, Oct 29, 2015, 14:53 Larry Alofs <lalofs@gmail.com> wrote:
> 
> 
> After many experiences with bad caps, including new ones, I continue to
> look for a solution.  I hope to retain a tank that is transparent to let me
> watch for accumulating air.