80psi is actually the max water pressure for a house. I would not worry if it is 81. if you have a water pressure regulator, then just adjust the water pressure
Check the water heater to see if there is rust spots or water leak marks. if its not leaking dont change it
35/12.5/15 Maxxis trepador. Tires have less than 5000 miles
Spare tire is good year wrangler in good shape for a spare
$1,000.00 for all 5tires and wheels
1994 Landcruiser. $8,500.00
running truck. It was repainted about 6year ago per last owner.
The good:
Clean body and interior. New carpet and headliners.
New front and rear brakes
After market front and rear bumpers
Heater works
285/ 75/16 tires in great shape
Original radio in...
This is where I got my wiring hardness and cross over pipe from. its a plug and play with a manual transmission ecu.
https://www.offroadsolutions.com/tech-info/3-4l-5vz-fe-conversion/
Rheem would be my vote. I have installed lots of them in my area without any problems. you may have to run a new water heater vent. tankless uses a different vent system