SucceBuy 3.5 CFM 1/4 HP HVAC Single Stage AC Vacuum Pump & Oil Bottle for R134a R22 R410a Systems, Air Conditioner Maintenance

Q: What is the air flow (CFM) of this vacuum pump? Is it suitable for home AC maintenance?

A: This pump has a flow rate of 3.5 CFM and an ultimate vacuum pressure of <20Pa, making it ideal for quickly evacuating home and vehicle AC systems. It far exceeds the needs of DIY users.

Q: How loud is the pump? Will it disturb the work environment?

A: The noise level is ≤70dB (comparable to normal conversation). Featuring cast aluminum housing for noise reduction, it operates quieter than similar pumps with iron casings. Fit for use in garages, workshops, or other enclosed spaces.

Q: What does the current protector do?

A: The built-in 4.5A overload protection automatically shuts off power if there is unstable voltage or motor overheating, keeping damage from the motor. Simply press the reset button after maintenance to restart the pump.

Q: What pipe diameters does the intake port accommodate? Do I need to buy an additional adapter?

A: The standard intake fittings are 1/4" SAE and 1/2" ACME, covering 90% of AC hose specifications. For special connections, you can pair it with commercially available adapters (like 3/8" NPT).

• 【Powerful Performance】: With a high-output motor, this single-stage rotary vane vacuum pump delivers a 3.5 CFM flow rate and 5 Pa ultimate vacuum. Ideal for HVAC services, it brings thorough cleaning and optimal results every time.

• 【Stable, Reliable Operation】: Driven by a 4-pole high-torque motor, this air conditioning vacuum pump provides long-lasting power and efficiency. The built-in cooling fan avoids overheating, ensuring reliable performance even during extended use.

• 【Exceptional Compatibility】: Designed with 1/4" SAE and 1/2" ACME ports, this HVAC vacuum pump is compatible with automotive and low-tonnage R22, R134a, and R410a systems. Whether you're servicing cars or home HVAC units, the job gets done with ease.

• 【User-Friendly Design】: Equipped with a 0.27 qt. (260 ml) oil capacity and a visible oil window, monitoring oil levels has never been easier. Plus, we've included a bottle of 0.35 qt. (330 ml) vacuum oil to get you started.

• 【Versatile for Any Job】: Whether you're working on refrigeration maintenance, HVAC repairs, resin degassing, wood stabilization, or more, this vacuum pump is ideal for both commercial and residential applications.