Running pump and SWG 24/7

[tenkas]

I have a 20 000 liters pool (5.5k gallons) and the manufacturer installed a 1.5HP pump single speed with a SWG. I was told to leave them on 24/7.
Electricity is cheap in here in Quebec, but I have noticed a pump of 40-50kwh per day since the pool is open.

I do not know why I wasn't offered a variable speed pump (the manufacturer offers them as an upgrade but I was never presented the upgrade, and since I didn't know anything about pools I didn't ask for it).

The whole system is running nice, SWG set about 10-15% and the water is very clear (gets filtered a lot I guess because the system is running 24/7?)

Should I switch the pump to a variable one?

 

[PoolStored]

Should I switch the pump to a variable one?

Should?

Many of us have one and run at low speed. 1500RPM on my pump is about 200W. At $.12/kWh, it costs me about $17.50/month.

You would have to compare the energy use of the current pump to the new pump usage, then determine the payback buying the new pump.

Electricity bill calculator | Energy cost calculator

Electriciy bill cost calculator. Electricity usage/consumption calculator.

www.rapidtables.com

 

[tenkas]

Thanks for the calculator, will go and do the maths.

Also, do you know if it is a direct replacement for VSP and single speed? (or do they need to redo the whole plumbing)

 

[PoolStored]

direct replacement for VSP and single speed

Yes. No need to redo plumbing. HOWEVER, the location of the inlet and outlet ports on the pump may be in a dimensionally different locations. You may need to redo the plumbing at the pump to adjust.

Many pump manuals provide the dimensions. You may be able to find a pump with the same dimensional locations of the ports. Maybe not.

 

[tenkas]

Great! I'll look into it, thanks for the info. Might also keep the pump until it dies and then buy a variable speed when I need to change down the road.

 

[reggiehammond]

If you can post a picture of the pump motor and the nameplate, there might be a drop-in VSP option for just the motor end of the pump.