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The Daily Insight

What does a pool blower do

Author

Christopher Lucas

Published Mar 14, 2026

Blowers mix the air and water and create a relaxing environment, particularly when used in conjunction with the hot tub’s jets.

How does a pool blower work?

An electric motor — directly coupled to an impeller (or impellers, in a multistage design) — adds energy to the flow of air passing through the blower as the motor spins. Result: The velocity and pressure of the air flow increase dramatically. Water pumps normally operate at 3,450 revolutions per minute.

What is the purpose of a blower in a spa?

Also called air pumps or bubblers, blowers push air into the spa through small ports or jets. This creates bubbles not unlike those in a glass of champagne. Although water pumps create strong pressure for the best massage, many enjoy the tingling feeling added by a blower.

Whats a blower in a pool?

A hot tub blower is the component that creates air bubbles in the water. For this reason, it’s also known as an air pump or a bubbler. … It forces air through a length of piping and into the hot tub resulting in refreshing bubbles being blown into the water.

Can a spa run without a blower?

Many hot tubs come equipped with a hot tub blower, but they can also work perfectly well without one. If your hot tub doesn’t have a blower, it may be possible to add an aftermarket part depending on the compatibility with your spa pack control panel.

How do pool spa jets work?

Hot tub jets work via two inlets that feed each jet of your hot tub, one for water and one for air. The nozzle is the portion of the jet where the water-air mixture reaches the bathers in the actual tub. (Some hot tub jets have double-headed nozzles, but the concept is the same.)

Do all hot tubs have air blowers?

No most spas do not have air blowers. The consensus seems to be that they do not add much to jet therapy and tend to introduce cold air into the water which lowers the temperature.

Why is my spa blower not working?

Check the wire powering the air switch and check the switch for continuity. If no power, check the wire leading to the switch for continuity and replace as needed. If you have power but do not get proper switching action, replace the switch. If none of these things fix the problem, the blower may need to be replaced.

How do Spas work?

The essential difference between a spa and a bath tub is that a spa continuously recirculates warm water through pressurised water jets. … The heated water is then pumped into the pool through the water jets. Many of today’s spas use an air induction system that mixes air with water to increase the thrust of the water.

How big of a spa blower do I need?

b. The number of holes in the spa floor and seats determine the size of your air blower. For a 1.0 hp blower the total hole area should be . 85 square inches, for a 1.5 hp blower the hole area should be 1.2 square inches, and for a 2.0 hp blower the total hole area should be 1.5 square inches.

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What is a spa Hartford loop?

The Hartford loop is a loop of air pipe (PVC) that rises from the air line above the highest possible water line of the spa by between 1″ to 4″ and then returns to the air line (see picture), this creates an air trap to stop water travelling along the air line.

Why are my pool jets not strong?

The most common reason for weak jets is an air leak. An air leak would come from the suction side of the system. This would be the area between the skimmer and the pump. … The pump strainer, in most cases, should be full of water and have no visible air.

Why are my jacuzzi jets weak?

When jets start failing, the most likely case is that your hot tub pump is not working correctly. … Open the access panel and the airlock valve close to the pump. This releases air from the line and purge system, allowing more water to stream through the jets. Clogged filters or water intakes can also cause jet issues.

Does a hot tub need air?

A hot tub pump is designed to pump water, not air. Therefore, if air is in your plumbing lines, it can cause damage overtime.

How many jets do I need in a hot tub?

Look for hot tubs that have 20-30 jets for every massage pump and at least 6 jets per seat. Jet size, placement and the power of the hot tub pumps are also crucial components of any hot tub hydrotherapy system and should be considered just as much as the number of jets the hot tub has.

What comes out of hot tub jets?

These are known as “massage jets.” Regardless of the type of jet, they all consist of a tube that water is pumped into, and a face that the water comes out of. Your jets do not spend their lives in isolation, however. As they soak in your hot tub, year after year, whatever goes into the water affects them.

How many jets should a pool spa have?

A typical spa built in conjunction with a pool will include just four to six jets that, because of the choices made, often won’t deliver good “action” and, while they may look good, will be almost worthless when it comes to hydrotherapy.

How do I turn off my spa blower?

To toggle the pumps on and off, simply press the jets you would like turned off. That will switch off the therapy pump you indicated. Note: The circulation pump cannot be toggled on and off on the touch screen as it is designed to run at all times to keep the hot tub running effectively.

What is a pool spa?

Quite simply, a Swim Spa is a machine that allows you to swim continuously against a water current. … Swim Spas also act as smaller swimming pools in the sense that you can play around in them, or with some of the split-models, you actually have a hot tub spa in one end of it and a swimming area in the other end.

What does a spa include?

Body treatments may include sauna, whirlpool, jet bath, steam room, massage, mud bath, salt scrub, seaweed body wraps, clay or herbal body masks, reflexology and waxing. Day spas also usually offer nail services, such as manicures, pedicures and paraffin treatments.

What are the services in spa?

Spa Services means the provision of specific services to a person including but not limited to body painting, esthetics, eyebrow and eyelash services, manicures, pedicures, reflexology, reiki, and massage therapy.

Why is there no power to my hot tub?

Check the main circuit breaker that provides power to the spa. This may be located in the home main panel, or inside a smaller panel near the hot tub. … If the breaker begins to repeatedly trip (known as nuisance tripping), it may need to be replaced, or there could be voltage irregularity.

How do I know if my hot tub fuse is blown?

You could perform a continuity check on the fuse. If it reads zero, the fuse is blown and should obviously be replaced. But even if it shows some reading it may be partially defective and you should replace it with a new one to see if it corrects the problem. Click here to view the multimeter.

How does Hartford loop work?

A Hartford Loop is an arrangement of piping between a steam boiler’s header and its gravity-return piping. … The “wet” gravity return line, which returns the condensate from the system, rises up from the floor to join with the equalizer at a point about two inches below the boiler’s lowest operating waterline.

How far below the water line is the Hartford loop installed?

A proper Hartford Loop is taken off the equalizing line of the boiler piping with its center 2″ below the normal water line. The shortest possible nipple and an immediate elbow turn the loop down to meet the wet return, forming a water seal.

How does the boiler loop work?

A boiler filling loop is a hose that can temporarily connect your boiler to your main water supply. It is used to repressurise your boiler and top up the water when you drain or bleed your system.

How often should you backwash a pool?

As a general rule, you should be backwashing your pool about once a week or in conjugation with your scheduled maintenance. Another industry standard is to backwash when your filter’s pressure gauge reads 8-10 PSI (pounds per square inch) over the starting level or “clean” pressure.

How do I increase circulation in my pool?

  1. To ensure proper circulation, you need to switch on the pump for at least 8 hours a day. …
  2. Make sure you size the pump, i.e: get a pump according to your pool volume. …
  3. Just as you clean the pool, you also need to clean the pump and the filtration system. …
  4. Your pool may have a cartridge filter.