[Fulltiming]

Thanks Richard. I have had all 3 of my HCVs replaced during the past 3 years. 2 were cracked and leaking. The third was done as a precaution. I got all three of them from Newell and they are all the blue valves. :-( I even mentioned to Newell that it seemed that the air compressor was kicking in much more often than in the past before I changed out the 2nd and 3rd valves. Until your post, I wasn't aware that the grey valves existed. Bummer. Looks like I may have to consider changing them again in the next couple of years. Running the air compressor that often can't be good for it.