Water kiln serve? When a personality installs a bright dampen heating system what are the appropriate steps to steal??? What if the hot water pressure is much lower once the unknown...

What if the hot water pressure is much lower once the unknown water space heater has be installed? Thank you, any help would be greatly appreciated.
Answers:    hooked up hose down & electrical ok?
if u use the same connections as the antiquated tank and didn't kink them would expect much equal water pressure
EXCEPT if the container change knock some sediment loose in the column. check/remove the flauct screens, approachable valves to full.
worst defence: partial blockage in line=replace flash.
the pressure relief tap needs to enjoy direct discharge line that is to say unobstructed.
Maybe when you shut off the service tap to the water stove, the washer hung up and didn't open completely.