Pool Equipment: Pumps, Motors, Filters & Flow Meters
Voomi Supply is a pool equipment supplier carrying pumps, motors, filters, flow meters, jets, lights, air blowers, and safety and deck accessories for inground and above-ground pools, from brands like Balboa Water Group, Carvin Pool Equipment, Century Motors, GLI Pool Products, and H2Flow Controls. Shop in-stock parts with same-day shipping, detailed technical specifications on every listing, and US-based support to help match replacement parts to your existing pool system.
Why buy from Voomidatasheet
Product typesPumps, motors, filters, flow meters & more
ShippingSame-day on in-stock orders
Returns30-day (excludes final-sale items)
SupportUS-based experts
BrandsCentury Motors, Carvin & more
Find the right part
Same-DayShipping on in-stock orders
30-DayReturns on most items
OEM PartsMotors, filters & flow meters
US SupportHelp matching frame size & specs
Trusted BrandsCentury Motors, Carvin & more
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View all pool equipment →Popular pool equipment
Shop all pool equipment →
US MOTORS
US Motors ASB848 THP 1.65 hp 3450 RPM 56Y Frame 115/230V Square Flange Pool Motor
$390.87
$241.00
In stock
PENTAIR
Pentair 25021-0223S Small Inner Cartridge Replacement Sta-Rite System 3 SM-Series S7M400 Pool and Spa Cartridge Filter
$282.00
In stock
CARVIN POOL EQUIPMENT
Carvin Pool Equipment 39262605K DVK7 Complete Cover Kit
$110.35
In stock
ROLA-CHEM
Rola-Chem 570371V Flow Meter 3-inch PVC Vertical Mount 80-300GPM 303-1136LPM
$106.99
$83.69
In stock
WATERWAY PLASTICS
Waterway Plastics 640-8240V 6 Ultra Suction 1.5 Threaded White
$50.17
In stock
Brands we carry
What counts as pool equipment?
Pool equipment covers everything that circulates, filters, heats, and controls a pool or spa, separate from the pool's structure itself. At the core of most systems is a pump paired with a motor, which draws water through skimmers and drains and pushes it through a filter before returning it to the pool through jets or returns. Flow meters, safety covers, lights, and air blowers support that core loop, and each of these wears out on its own schedule, so most pool equipment purchases are replacement parts for an existing system rather than a full new build.
Core pool equipment components
A typical pool circulation system is built from a small set of core components, each replaceable on its own.
| Component | Function | Shop |
|---|---|---|
| Pump | Draws water from the pool and pushes it through the filter and back | Pool & spa pumps |
| Motor | Powers the pump; sized and mounted separately, often replaced on its own | Pool motors |
| Filter | Removes debris and particulate from circulating water | Pool filters |
| Flow meter | Reads circulation rate in gallons per minute (GPM) | Flow meters |
| Jets & returns | Direct filtered water back into the pool | Pool jets |
| Air blowers | Inject air for spa jets or air-driven features | Air blowers |
Pool pump motor sizing: frame size & horsepower
Pool pump motors are specified by frame size, which determines the physical mounting dimensions, and horsepower, which determines pumping power. Matching both to the original motor matters more than matching brand, since most aftermarket motors are designed to be direct replacements.
| Spec | What it means | Why it matters |
|---|---|---|
| Frame size (e.g. 56Y) | Standardized NEMA housing and mounting dimensions | Determines whether a replacement motor bolts directly to the existing pump housing |
| Square flange | A square mounting plate that bolts to the pump's wet end | Common on residential in-ground pump motors, as on the US Motors ASB848 |
| Total horsepower (THP) | The motor's rated output under test conditions | Compare using the same rating type as the original motor, since THP and service factor horsepower aren't the same number |
| Voltage (115/230V) | Dual-voltage motors that can be wired for either | Confirm the wiring configuration matches your existing electrical connection |
Pool filter types
Pool filters fall into three main types, and most replacement purchases are for cartridge elements since they need periodic replacement more often than a sand bed or DE grid.
| Filter type | How it filters | Maintenance |
|---|---|---|
| Cartridge | Pleated polyester element traps debris as water passes through | Rinse periodically, replace the cartridge every 1 to 2 years |
| Sand | Water passes through a bed of specially graded sand | Backwash regularly, replace sand every 5 to 7 years |
| Diatomaceous earth (DE) | DE powder coats grids inside the filter for fine filtration | Backwash and recharge with DE powder, replace grids periodically |
When ordering a replacement cartridge, match the filter model number exactly, since square footage and dimensions vary between series even from the same manufacturer.
Reading a pool flow meter
A flow meter shows how much water is circulating through the system in gallons per minute (GPM), which helps confirm the pump and filter are working within their rated range. Meters are sized to the pipe diameter and mounting orientation, so a vertical-mount 3-inch meter like the Rola-Chem 570371V won't fit a horizontal run sized for 2-inch pipe. Running well below the filter's rated flow can mean a clogged filter or a failing pump; running above it can push debris through the filter media.
Things to consider before you buy
- Match frame size and horsepower exactly when replacing a pump motor, not just the brand
- Confirm filter cartridge dimensions and square footage against the model number, not just the filter housing brand
- Check pipe diameter and mount orientation before ordering a flow meter
- Some specialty and OEM replacement parts are final sale and can't be returned once ordered
- Electrical connections on pumps and motors should be made by a licensed electrician or qualified pool technician
Pool equipment glossary
- GPM
- Gallons per minute; the rate of water flow through the pump and filter system. Shop flow meters →
- THP
- Total horsepower; a motor's rated output under standardized test conditions. Shop pool motors →
- Square flange
- A square motor mounting plate that bolts to a pump's wet end, common on residential in-ground pumps. Shop pool motors →
- Frame size (NEMA)
- A standardized motor housing dimension, such as 56Y, that determines mounting compatibility. Shop pool motors →
- Cartridge filter
- A pleated filter element rated by square footage of filtration area. Shop pool filters →
- Backwash
- Reversing water flow through a sand or DE filter to flush out trapped debris. Shop pool filters →
Frequently asked questions
How do I know what size pool pump motor to buy?
Check the existing motor's nameplate for frame size, such as 56Y, along with horsepower and voltage. A direct replacement should match all three, since frame size determines whether it bolts to your existing pump housing, and horsepower and voltage determine electrical compatibility.
Can I replace just the motor without replacing the whole pump?
In most cases yes, as long as the replacement motor matches the frame size of the original. Motors are a separate wear item from the pump's wet end and impeller, and replacing only the motor is usually less expensive than a full pump replacement.
How often should I replace my pool filter cartridge?
Most cartridge filters should be rinsed every few weeks and fully replaced every 1 to 2 years under normal use, more often with heavy bather load or algae issues. Sand and DE filter media last longer but need regular backwashing between replacements.
What does GPM mean on a pool flow meter?
GPM stands for gallons per minute, the rate at which water is circulating through the pump and filter. Comparing the reading to your filter and pump's rated flow range helps confirm the system is operating correctly.
Why is my pool flow rate too low?
Low flow is most often caused by a clogged or dirty filter, a failing pump or motor, a closed or partially closed valve, or a clogged skimmer or pump basket. Check and clean the filter and baskets first, since that's the most common and least expensive cause.
What's the difference between a pool pump and a pool motor?
The pump is the full assembly that moves water, including the wet end, impeller, and housing. The motor is the electrical component that powers the pump and can often be replaced on its own without replacing the entire pump assembly.
Do I need a professional to replace pool equipment?
Pump and motor replacements involve electrical connections and should be installed by a licensed electrician or qualified pool technician. Simpler parts, like flow meters or cover kits, are often straightforward enough for an experienced pool owner to install.
Are pool motors final sale?
Some OEM and specialty replacement parts are marked final sale and can't be returned once ordered, so check the return policy on the specific product listing before ordering. Standard-stock items typically carry the usual 30-day return window.
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