To get email notification when someone adds to a thread you're following, click on the star in the thread's header and it will turn yellow; click again to turn it off. To edit your profile, click on the gear.
The Wall has a powerful search engine that will go all the way back to 2002. Use "quotation marks" around multiple-word searches. RIGHT-CLICK on the results and choose Open Link In New Window so you'll be able to get back to your results. Happy searching!
In fairness to all, we don't discuss pricing on the Wall. Thanks for your cooperation.
low water cutoff controls - redundancy?
here are two lwco controls
why are there two?
seems that when ball valves are opened (below the cutoff devices), the water flow comes from boiler and not pushed down thru the LWCO devices - is this ok?
is one used for high water cutoff?