Water feature replacement pump size question

Apr 5, 2017
247
Houston
I have a pump dedicated to 2 fountains, lines are 1.5" and I believe the fountain risers are 3/4".

I currently have a dead Pentair Pinnacle 3/4 HP / 1.27SF. The return line has a gate valve, I guess to control the fountain height. Does it sound like I should run same size?

note: (TOP) spa pours into 2 (Middle) fountains pours into (bottom) pool.
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Just keep in mind that not all pumps of the same HP will have the same performance. The head curve matters. If the head curves are the same performance will be the same.
 
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