Is a single-stage pump enough for car AC work?

For typical R134a car AC evacuation and recharge, a 4 CFM single-stage pump is adequate. It will not pull as deep a vacuum as a two-stage pump, so allow extra evacuation time.

Does the kit include everything needed to recharge AC?

It pairs the vacuum pump with an R134a manifold gauge set. Hoses and refrigerant are separate, and you still need the refrigerant and any adapters your system requires.

Can it be used on home refrigerators and window AC units?

Yes, the pump is suited to small refrigeration and household AC systems. Check that your system uses R134a before relying on the included gauges.

How loud is the pump?

The rotary vane design is described as low noise for its class. Expect normal motor and air-movement sound rather than silence.

Does it run on standard US power?

Yes, it is a 110V unit that plugs into a standard outlet. No special wiring is needed.

SPECSTAR 110V 1/3 HP 4CFM Single Stage Rotary Vane Vacuum Pump Kit

Best price now

$89.99at WalmartChecked Nov 9

Prices are checked against each store and labelled with when.

Visit Walmart

SPECSTAR 110V 1/3 HP 4CFM Single Stage Rotary Vane Vacuum Pump Kit

Best price now

$89.99at WalmartChecked Nov 9

Prices are checked against each store and labelled with when.

Visit Walmart

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Price facts

Last seen at $89.99 at Walmart on Nov 9.

Our take on the SPECSTAR 110V 1/3 HP 4CFM Single Stage Rotary Vane Vacuum Pump Kit

This is a single-stage rotary vane vacuum pump bundled with an R134a manifold gauge set, aimed at HVAC and refrigeration work such as recharging home AC, car AC and refrigerators. The pump is rated 4 CFM free air displacement at 1/3 HP and 110V, with a low-noise rotary vane design. The kit saves you from buying a pump and gauges separately, which is its main advantage over bare pumps. It is a budget-tier tool: fine for occasional service work, but not built to the duty cycle of pro-grade two-stage pumps.

Best forDIY car AC recharge and repairHome AC and refrigerator serviceOccasional HVAC maintenanceBuyers wanting pump and gauges in one kit

Pros

Pump and R134a manifold gauge set included together
4 CFM free air displacement suits small to mid-size systems
Single-stage rotary vane design keeps noise down
110V plug-in power, no special wiring
Compact footprint for a bench or garage

Cons

Single-stage pump pulls a less deep vacuum than two-stage models
1/3 HP is modest for larger systems or long runs
Not intended for continuous commercial duty
Kit gauges are basic compared with separate pro manifolds

SPECSTAR 110V 1/3 HP 4CFM Single Stage Rotary Vane Vacuum Pump Kit prices at every store

WalmartNew
In stock
$89.99Checked Nov 9
Visit Walmart

About the SPECSTAR 110V 1/3 HP 4CFM Single Stage Rotary Vane Vacuum Pump Kit

This kit pairs a single-stage rotary vane vacuum pump with an R134a AC manifold gauge set. It is made for recharging HVAC and refrigeration systems, and it saves you from sourcing a pump and a refrigerant gauge separately.

The 1/3 HP pump has a free air displacement of 4 CFM and runs on 110V. It is used for household air conditioning, automobile maintenance, refrigerator vacuum work and industrial applications.

Pump type: Single-stage rotary vane vacuum pump
Power: 1/3 HP
Voltage: 110V
Air displacement: 4 CFM (free air)
Gauge set: R134a AC manifold gauge set
Color: Blue
Dimensions: 10.6 x 4.7 x 8.5 inches
Weight: 17.6 pounds
Uses: Household air conditioning, automobile maintenance, refrigerator vacuum, industrial

Questions and answers

Is a single-stage pump enough for car AC work?: For typical R134a car AC evacuation and recharge, a 4 CFM single-stage pump is adequate. It will not pull as deep a vacuum as a two-stage pump, so allow extra evacuation time.
Does the kit include everything needed to recharge AC?: It pairs the vacuum pump with an R134a manifold gauge set. Hoses and refrigerant are separate, and you still need the refrigerant and any adapters your system requires.
Can it be used on home refrigerators and window AC units?: Yes, the pump is suited to small refrigeration and household AC systems. Check that your system uses R134a before relying on the included gauges.
How loud is the pump?: The rotary vane design is described as low noise for its class. Expect normal motor and air-movement sound rather than silence.
Does it run on standard US power?: Yes, it is a 110V unit that plugs into a standard outlet. No special wiring is needed.
Where is the SPECSTAR 110V 1/3 HP 4CFM Single Stage Rotary Vane Vacuum Pump Kit cheapest?: At Walmart, for $89.99, as of our latest check.
What do buyers say about the SPECSTAR 110V 1/3 HP 4CFM Single Stage Rotary Vane Vacuum Pump Kit?: Rated 4.8 out of 5 from 6 ratings.