Trying to replace water pressure regulator
First, the copper pipes are 7/8" OD. That's 3/4" pipe, right?
Second, if I can buy the exact same regulator, even though this one failed on me, it would fit in the same space.
From the left, the only view I have at the moment, it looks something like
The second one says "FNPT Union x FNPT". I don't understand. What is the difference between FNPT Union and FNPT?
Using this would be easy durilng inital installation, but now, am I supposed to cut both pipes, screw them in, and the a) solder in connectors where they were cut, or b) use 2 Sharkbite slip connectors. That's hard to believe.
It's so corroded it's hard to see details of the valve. I have to move the wardrobe in front of it, which is fulll and has 2 layers of boxes on top, or I have to empty the wardrobe and hope I can remove the back of it.
Should I remove the whole thing and take it to a plumbing supply?
Should I cut the copper pipes, rather than fight with very corroded nuts that have been on for 45 years. Should I use a Sharkbite regulator after I've cut the nuts? They're substantially cheaper than the Zurn. That's scarey.
Getting along wihtout water has not been hard. I filled two large soda bottles on Friday from the next door neighbor's garden faucet and have barely drunk any of it, because I also drink juice, soda, and milk. It takes less than one bucket of water a day to flush the toilet. Someday I may need a bath however.