SaluSpa Pump Loud? Normal Noise vs. Real Problems
Some noise is built in. Bestway says its spa pumps run at up to 60 dB while filtering or heating and up to 72 dB with the massage bubbles on, measured outdoors, one meter (about 3 feet) from the pump. So a roar only while the bubbles run is normal. Owners link gurgling after a refill to trapped air, and a rattle to vibration. Grinding or a rising whine is a support call. Noise plus a burning smell: unplug and stop.
The figures below come from Bestway’s online FAQ and its owner’s manual for the SaluSpa AirJet Plus pump (S100205, Vancouver and Milan). Other Bestway pumps can differ, so your own pump’s manual is the tiebreaker.
Safety note: check your pump against the 2024 recall. In September 2024 the U.S. Consumer Product Safety Commission announced a recall of about 866,000 Bestway AirJet and HydroJet spa pumps sold with SaluSpa, Coleman and Hydro-Force spas from May 2021 to May 2024, because they can overheat and catch fire (recall 24-359). Before troubleshooting anything below, read the model number on the label on the side or back of your pump. The recalled models are P05332, P05339, P05711, P05807, P07000, P07001, P05511, P07034 and P07572. If yours is one of them, stop using it and follow the CPSC recall notice or Bestway’s recall page for a free replacement or a refund. The SaluSpa pump recall guide walks through the label check and what to do next.
How loud is a SaluSpa pump supposed to be?
Bestway answers this one directly in its hot tub FAQ: “If the spa is outdoors and considering a distance of one meter from the pump, the level for filtering and heating is up to 60 dB, and the level for massage is up to 72 dB.”
Keep the conditions attached to those numbers (outdoors, one meter away); Bestway doesn’t publish figures for any other setup. Two things from the manual explain what you hear day to day:
- The hum can last a long time. Turning on the heat automatically starts the filtration, which keeps running after you switch the heat off (p. 16). With heat-up times of 9 to 32 hours in Bestway’s reference table (p. 17), expect the pump to run for many hours during a heat-up; a steady hum over that time follows from the design and isn’t a symptom on its own.
- The bubbles come from a separate machine. The spec table lists a Massage Tube Blower (6.5 A) separately from the Water Pump (0.7 A) and the Heat Element (11.3 A) (p. 17). The manual doesn’t compare how loud each part is, but Bestway’s own ceiling for massage mode is 12 dB higher than for filtering and heating.
Match the sound to the cause
| What you hear | When | Likely cause | What to do |
|---|---|---|---|
| Loud roar or whoosh | Only with the bubbles on | The massage blower, working normally (Bestway: up to 72 dB) | Nothing. It shuts itself off after 30 minutes (p. 16) |
| Steady hum | While heating or filtering, for hours | Water pump running; heating starts the filtration (p. 16) | Nothing. Expected (Bestway: up to 60 dB) |
| Air hissing at the hose connection | While inflating | Normal: the manual says air “will be expelled” there (p. 13) | Leave it. Don’t cover the holes on the base of the inflation hose: it over-inflates the liner (p. 13) |
| Gurgling, sputtering or whining, with weak flow | Right after a fill or refill | Trapped air (owner reports) | Check the water level, then burp the pump |
| Buzz or rattle you can feel in the deck | Constant | Vibration against a hard or uneven surface (owner reports) | Firm, level support under the pump |
| Grinding, screeching, or a pitch that keeps rising | Gets worse over time | Owners and pump repair guides point to a worn bearing or impeller, or debris | Stop using it. Bestway support or warranty. Don’t open it |
| Any noise plus a burning smell, smoke or an unusually hot housing | Any time | Possible overheating | Unplug if safe, stop using it, check the recall label |
Why is it so loud only when the bubbles are on?
Because that’s the blower doing its job, and Bestway’s figure for massage mode is the higher one. Two manual rules apply: it has a 30-minute auto-shutoff, and you must never run it with the cover on, because “Air can accumulate inside the spa and cause irreparable damage to the cover and bodily harm” (p. 16). So muffling the bubbles with the cover is off the table.
If the bubbles cut out by themselves, the first suspect is the auto-shutoff: press the massage button to start them again (p. 23). If they won’t come back, the manual’s other likely cause is the air pump overheating: unplug and “wait two hours until the pump has cooled” (p. 23). Bestway’s FAQ says to wait two to three hours “during the cold time of the day,” and explains that a protection cuts power to the blower when its temperature gets critical, which “generally happens if the pump is exposed directly to sunshine.” The full checklist is in SaluSpa bubbles not working.
Why does my pump gurgle after I refill the tub?
Owners consistently describe the same sound after a fill: gurgling, sputtering or a strained whine, with weak or no water from the outlet. Their usual explanation is air trapped in the pump and hoses.
The manual doesn’t use the word “airlock,” but it lists bent pipes, poor flow through the liner’s pipes and a blocked filter among the causes of a no-flow alarm (p. 25). Check that the water sits between the MIN and MAX marks (p. 13), then follow how to burp the pump. If an E02 has already appeared, the E02 fix checklist covers the other causes. And don’t skip the cartridge: dirty filters are on the manual’s no-flow list too (filter care has the schedule).
What does a grinding or screeching pump mean?
This is the sound to take seriously. Owners and pump repair guides usually blame grinding, screeching or a whine that climbs over days on a worn bearing or impeller, or on debris caught in the impeller. Treat that as a likely explanation, not a diagnosis: the owner’s manual has no bearing maintenance or internal repair procedure, and it sends pump faults to Bestway support.
My advice: stop using it, check the label against the recall, and contact Bestway support or your warranty with the model number. Don’t open the unit. That’s my safety rule, not a line from the manual: it’s a pump-and-heater on mains power next to water, and nothing the manual asks of you involves opening the pump housing.
Why does my pump buzz or rattle through the deck?
Usually vibration. A pump on bare concrete or deck boards can pass its hum into the surface, and a common owner fix is a rubber anti-vibration pad under the pump.
The manual’s footing rules: the spa needs a surface that is “smooth, flat, level and capable of supporting the weight,” not carpet or similar (p. 8). And because the liner’s PVC changes shape, if the pump’s adapters don’t line up with the spa’s, “elevate the pump with wood or another type of insulated material” to bring them level (p. 23).
So a pad fits with the manual as long as it’s firm: it shouldn’t let the pump shift, it has to keep the adapters level with the spa’s, and it shouldn’t cover any part of the unit. I’d skip thick, squishy pads that let the pump sag out of line. While you’re there, check that the adapters are hand-tight and their seals are in place (p. 23).
When should a noisy pump make me unplug it?
When the noise comes with any sign of heat: a burning smell, smoke, scorched or deformed plastic, or a housing that seems unusually hot. Unplug it if you can do so safely, and stop using it. That’s my safety call, not a quote from the manual, and the reason is the recall: the CPSC says affected pumps can overheat and their plastic housing can catch fire. The Vancouver/Milan manual’s parts list shows the pump as P05339, a recalled number (pp. 9–10), but pumps get swapped, so check the label on yours.
Separately, the pump has a thermal cut-out (E08 in the manual). It trips when “the ambient temperature is over 122°F(50°C) or the pump is directly under the sunshine.” The fix: unplug, move the pump to a dry, cool place, and restart only when the water is at 93.2°F or lower (p. 25). If it keeps tripping in normal conditions, the SaluSpa error codes guide explains when that becomes a support call.
How do I make my SaluSpa pump quieter (safely)?
- Firm, level footing. The manual’s surface rules (p. 8), adapters level (p. 23), and a firm rubber pad if the hum carries, with the caveats above.
- Think about which side the pump faces. If you’re still setting up, I’d keep the pump side away from bedroom windows and the neighbor’s fence.
- Time the heating. Heating starts the filtration, so the power-saving timer (heating duration 1–999 hours, start delay 0–999 hours, no repeat until reset, p. 15) lets you choose when the long hum begins. The filtration keeps running after the heat stops (p. 16), so it controls the start, not necessarily the end.
- Don’t solve distance with an extension cord. The manual says an extension lead or multi-plug adaptor can overheat the plug, and the spa must be connected directly to a grounded socket (p. 13).
What I’d skip: boxes, insulated covers and blankets over the pump. They’re sold online, and some owners build enclosures for noise or winter. The manual doesn’t ban them in so many words, so this is my reasoning, not Bestway’s rule: the same manual documents a thermal cut-out that trips from heat and direct sun (p. 25) and a blower that can overheat (p. 23), and the 2024 recall was about pumps overheating. Trapping heat around the pump runs against all three.
FAQ
Can a noisy pump cause an E02? The noise doesn’t, but what’s behind a gurgle can. Trapped air (the usual owner explanation) or a clogged filter (a cause the manual lists) can leave the pump without enough flow, and that’s exactly the no-flow alarm the manual describes (p. 25).
Is the replacement pump from the recall louder than the old one? Owners ask this in SaluSpa groups, and there’s no published data I can point you to either way. If a replacement sounds louder than you expected, check its footing and level first. If you hear grinding or a rising whine, contact Bestway support.
Can I oil the bearings? No. The manual has no bearing maintenance, and getting to them would mean opening a mains-powered unit, which I’d never do. Bestway support or your warranty is the route.
What does your pump sound like, and what turned out to be behind it? Describe the noise and tell me. Owner reports are how this page gets better.
Jake Weber — Jake Weber is the pen name of Rookie Spa’s editor. I don’t sell spas or chemicals, and I’m not affiliated with any brand. Every guide here starts from the manufacturer’s manual, is cross-checked against the questions and fixes owners report most often, and is written in plain English for first-time owners — with a clear warning whenever something involves electricity or water safety.