Seneca Water Pump Upgrade

[memphis02]

Hey all!

Last summer, my water pump went out; I replaced it with an old 2gpm flowjet I had lying around and it has seen better days. The factory model was either 2.25 or 2.5 gpm; the slightly lower flow is giving us some issues with the girard tankless and seems to be restricting flow, even while on city connections.

I have been looking at a few 3gpm+ models on the usual sites but a lot have horrible reviews.

I was wondering if anyone has upgraded to a fantastic unit that will wash your dishes, take out the trash and give the DW a foot massage that they would recommend?

[SloPoke]

So funny you post this... We have replaced our water pump (or pump pressure switch) TOO many times. The pump switch IMHO is grossly undersized for it's application and fails after a good year of use. We are doomed to it failing again and we carry 2-3 spare switches in the Seneca now.

But now having 4-5 spare pumps / parts now - I thought of building a "redundant" pump system for our Seneca and moving them so they are easier to work on / replace parts. So the idea of two working pumps, in a side-by-side parallel install would double the water volume, but keep roughly the same pressure. A check valve would need to be in place for each pump, but this would also serve to keep the water system functioning when the next pump failure occurs - buying me some time to rinse the soap and finish my shower before going out and fixing another pump failure.

Thoughs?

[Robbbyr]

I installed a Remco Aquajet 5+ gpm pump. It is a 5-chamber design and variable speed motor so less pulsation in the flow. Couple that with my 2-gallon accumulator tank, it functions very well.

Since the pump definately draws more amperage than the original I used the original pump wiring just as a "trigger" to energize a relay I installed. The relay feeds the new pump power from a dedicated 15-amp circuit I ran from one of the extra fuses in my power center.

https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

[memphis02]

Thanks, Robby! I know you have done a lot of plumbing upgrades in your unit, so this may not be something you can comment on. I have read where some have had over-pressure conditions that blew out their lines; I don't guess you had any issues like that?

I really like SloPoke's idea of redundancy! When you get that done, I want photos, plz!

[Robbbyr]

Originally Posted by memphis02

Thanks, Robby! I know you have done a lot of plumbing upgrades in your unit, so this may not be something you can comment on. I have read where some have had over-pressure conditions that blew out their lines; I don't guess you had any issues like that?

I really like SloPoke's idea of redundancy! When you get that done, I want photos, plz!

Never had an issues regarding over-pressurization, I temporarily added a pressure gauge to see what my system was developing. My pump cuts off between 55-60 psi, then kicks back in about 50 psi. But I do have a 2 gallon accumulator so the water runs for a bit while the accumulator discharges, then the pump kicks on if system pressure drops to that (approximately) 50 psi.

[Rustynuts]

Originally Posted by memphis02

I have read where some have had over-pressure conditions that blew out their lines

I would say if that happened, it’s because of improperly assembled plumbing fittings from the factory.