Circulation Pump

mph9876 · **Joined:** Sat Nov 25, 2006 7:56 pm **Posts:** 2

I have a blue ridge spa that I would like to replace the Laing circ pump with a Iron Mite Pump. Mounting, Plumbing, and Wiring seem simple enough, just wonder if the Iron Mite greater gph flow will cause any problems :?:

Pageup · **Posted:** Sat Nov 25, 2006 9:21 pm

Way way too much gph (~2400 GPH), as opposed to a grundfos around 500.

With the iron mite you'll have way too much pressure, enough to blow the hoses off...

http://spapartsnet.com/Spa-Pumps/Circul ... 5_1_1.html

mph9876 · **Joined:** Sat Nov 25, 2006 7:56 pm **Posts:** 2

Is the grundfos pump a shaft driven pump or is it a magnetic drive like the laing? What is the durability of the grundfos pump like? Thanks for the help!

Pageup · **Posted:** Sat Nov 25, 2006 11:58 pm

Shaft.

Reliability is longer given similar circumstances.

I've replaced lots of these things with Grundfos.

Photo shows one I did last week. Previous pump was installed the same way - upside down and works fine.

http://spapartsnet.com/Spa-Pumps/Circul ... 9_0_1.html

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