motor replacement

Pool pump is a Hayward Ecostar SP3400VSP. Current motor is a single-speed Century 1.25HP (Model HSQ125). I am replacing it with a variable-speed Century VGreen 1.65HP (Model EVQ165). Do I need a new impeller and diffuser due to the change in HP? Inyopools.com indicated I could use the...

Hello THP community! I was hoping I could borrow someone's expertise. My wife and I bought a Florida home that needs a lot of work. We love the home... or what it can be through some elbow grease and long hours after work. We have been making strides to fix a TON of handy man problems. Most of...

Looking to replace my old single speed motor with a variable speed as my pump seems to still be in great condition. From what I am finding looking at retrofit variable speed motors, I have a choice of a 1.3 or 1.65HP motor. As far as I understand, my current pump is a 1HP. Does it makes sense to...