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I've owned a Jandy AquaLink RS for about 8 years, since I first built my swim-spa. In all that time, I never had an issue with my heat pump (AquaCal TT120, a digital thermostat heatpump that supports 2-wire remote triggering). I used the simple 2-wire connection between the Jandy and heater...

My heater is not turning on because the pressure switch is apparently not being triggered (seeing the "FLO" message perpetually). I'm trying to isolate whether it is: (a) bad flow switch (or) (b) pump volume has gone down for some reason Hardware involved: * AquaCal TT120 Heat Pump (internal...

I bought the motor directly from the distributor (Gorman) they'd be no help, unfortunately. As a matter of fact, buying from any retailer down here in South Florida, I can't imagine any of them having an answer for this one. I am friends with a few shops locally and none of them had any idea...

Thank you Dave, Wow, the right search term makes a lot of difference! I've been able to find a couple more helpful pages on the first page of Google using your terminology ("Dual Voltage"): http://www.usmotors.com/TechDocs/Connec ... grams.aspx This is an awesome post that might be good for...

Ugh, boy did I do it... I have the "U.S. Motors" 2HP motor (formerly Emerson 1202 aka EUSQ1202 aka USQ1202) that's often used as a replacement for AO Smith square-flange pumps. After I had rebuilt the pump, I began moving it into the equipment pad, navigating between different pipes. I just...

Hi Mark, Ahh, excellent point on the impellers. Very helpful, thanks so much! I had come to a similar conclusion, but not trusting the intellect of the rebuilder (seeing two different impellers) wondered if it might be the 1.5 and 2.0 (full rated) rather than 1.0 and 1.5. If you think it...

Re: Identifying Impeller by MM? Exactly. That was the point. I have two 2 HP motors .. I have a backup 3 HP motor that I will use if one of them goes. I intend to use it with the 2 HP impeller to yield the same results albeit only slightly less efficient use of electricity (based on...

Re: Identifying Impeller by MM? @linen - thanks for the tip! Unfortunately the outside dimension isn't helping, both the 7/32" and 9/32" (which I'm guessing to be 1.5 and 2.0 HP) are about 0.5" exterior width. The vane width is the big difference. @jblizzle - I thought the same thing would...

Hi all, I own three Whisperflo that I purchased as "remanufactured" pumps from a local company that is no longer in business. The pumps have been working just fine, but I have some suspicions that the company may have taken some shortcuts when refurbishing. When I recently went to do a pump...

Zea & Dave, Thank you for the great information! Fortunately I work from home so I was able to follow-up on your suggestions. The waterline is at the top of the skimmer. It's run good in the past when it's much lower, so I'll move on to the next item. The pump basket is very clean, but to be...

I've had a Jandy Stealth 2.5 HP pump for about 8 years, which is rarely used (used for spa jets only, no recirculation/etc -- about 10 hours a month usage). Recently, I noticed the output decreased significantly, and there seems to be a little air coming out along with the water from the jets...

@JamesW- Thank you for the reply, I think you're on to something. First, yes, it's a WFE-6, sorry for the type-o. Next, on the diffuser. The set-screws did get installed tightly, however, there was no O-ring on the diffuser for either pump, not on the spa-jet pump that is making the noise...

Thank you for the reply. I tried recording it before posting, but it really didn't sound much different than a normal pump. The volume/unusual noise did not come through in the recording. The vibration is a great suggestion, I should have mentioned that it was the first thing I eliminated...

Hi All, Thanks to great advice from mas985, I recently replaced a couple pump motors/impellers. One was the recirc pump, that went great, no problems. The second was a pump used for spa jets. It is a Whisperflo WFE-6 on a 2.20 SHP Emerson pump (correctly sized impeller/pump combo). When the...

Thanks again Mark! I wish I could better understand pump head to be able to grasp what you mean, but I think I have some fundamental misunderstanding of it. For example, I keep thinking of head as the amount of effort a pump must make to get the water to its destination. And based on that, I...

Hi Mark, Okay, I've got the B980 2-Speed pump ordered. There is one other area where I've become stuck, despite searching for about 2 hours on the 'net... I'm also replacing the motor on my 2 HP Whisperflo, which runs the jets on one side of the spa. This was a rebuilt pump motor, and the...

First, thanks again for taking the time to help me understand, and to calculate those numbers so that I can be confident in the decision. Once you mentioned using a smaller impeller on my current pump/motor, things really clicked! I didn't put it all together, that the motor would only put out...

Oh you're right, sorry, I had forgot the 4x 2" intakes & skimmer are shared among all three intake likes (1x Recirc, 2x Jets). So the recirc pump shares 4x 2" intakes + Skimmer, with two other 2" intakes. However .. It's extremely rare that I run the recirc pump when the jets are running, so...

Old Pump Model # Pentair Whisperflo WFE-6 (1.5 HP * 1.47 SF = 2.2 HP) Filter Pressure Unfortunately I do not know for certain, everything is dismantled at the moment. I believe it was around 25 PSI, but if you can estimate without this, it would be better because I'm just not sure. Height of...

My original goal was to use the same pump apperatus I have now (Whisperflo) and simply replace the impeller, difuser, and motor. My plan was to use the impeller/difuser from the WFDS-24 if it's available. I think I might be limited to ordering the WFE-3 because the WFDS-24 does not seem to be...

Wow, that's incredible! You've sold me on the 2-speed despite the extra cost. I'm amazed it's possible to achieve 6+ gallons/watt-hour. I wonder if running a pump at 1725 RPM is also going to result in added longevity versus running at 3450.

@mas985, thanks a million, that's exactly the information I need to complete my research. If purchasing a two-speed, I would only be using it at the 1725 RPM. Would it be any more efficient -- when you compare the actual volume of water it pumps? In other words, if I pumped a total of 1,000...

@JamesW, I understand what you're saying about the head, I was strictly referring to the more simple, static measure in feet, because I don't know enough to calculate the true head. Basically I have 40' of 2" pipe run, with 3 elbows. The heat pump is the T-120 or TT-120, it's very similar to...

I have an AquaCal T120 heat pump. I believe it's 120k BTU. The whole thing is plumbed like a large pool, I wanted to do it right even though it's just a small swim-spa. I even threw in a salt-chlorinator ;-). I believe my heat pump requires 30-70 GPM. They Hayward 2420 DE filter, on the...

I should also mention that I'm noticing that if I buy the motor in a GE/Marathon model, that the exact motor is available in both switchless and standard. I'm not sure if "switchless" is better or worse for a pool pump?

Thank you for the replies. I'm sorry, I had originally included the number of gallons in the post and I must have accidentally deleted it when editing. It's a small 1,000 gallon swim-spa. According to what you've stated, if all amperage is the same for identical Braking Horsepower, and if...

Hi all, I believe I understand the difference between Full-Rated (and) Up-rated pumps, and I've read the excellent post on them @TFP, however, I've always wondered whether an up-rated pump would be more energy efficient than a full-rated pump, considering the motor in an up-rated pump is smaller...

Wow, I just learned something new ... again. Scott, if I understand you correctly, you're saying that a 3 HP pump should use 3" plumbing on the incoming side, but outgoing is okay to be 2"? I had no idea the suction side required more volume, but I wish I had known before I ran all of the...

This pump is only used for recirculation, which is the reason I don't have any use for the power beyond filtering. I have one 2 HP and one 3HP pump for the jets (it's a 12' spa), and believe it or not, those barely give the jets enough power. Sometimes I wonder if 2" pipe is a little small for...

So it sounds like they're fairly standard and I won't have to get any specs. Where does one buy a new anode; would Gorman (pool distributor) have something like this, or is it something carried by the local retail shops? Thanks again!