SPECIFICATIONS
Air Inlet Port-Single Stage: 1/4" SAE and 1/2" ACME
Air Inlet Port-Two Stage: 1/4" SAE, 1/2" ACME and 3/8" SAE
Brand Name: Amocart
Certification: CE
Compatible Refrigerants-3.5CFM 180W 1 Stage: R22, R134a, and R410a
Compatible Refrigerants-5CFM 375W 2 Stage: R22, R134a, and R410a
Compatible Refrigerants-7CFM 550W 2 Stage: R134a, R22, R410a, R1234YF, and R32
Free Air Displacement: 3.5CFM 99L/min, 5CFM 142L/min, 7CFM 198L/min
High-concerned chemical: None
Item Model Number: RS-1 / 2RS-1 / 2RS-2
Origin: Mainland China
Power: 1/4 HP 180W, 1/2 HP 375W, 3/4 HP 550W
Power Source: Electric
Structure: Centrifugal Pump
Ultimate Vacuum: 5 Pa / 37.5 Microns, 0.3 Pa / 2.25 Microns, 0.3 Pa / 2.25 Microns
A: This pump has a flow rate of 3.5 CFM and an ultimate vacuum pressure of < 50 Pa, or 5 CFM / 7 CFM and an ultimate vacuum pressure of ＜30 Pa, making it ideal for quickly evacuating home and vehicle AC systems. It far exceeds the needs of DIY users.
Q: What pipe diameters does the inlet port accommodate? Do I need to buy an additional adapter?
A: Single-stage pumps and Two-stage pumps have differences.
Q: How loud is the pump? Will it disturb the work environment?
A: The noise level is ≤ 70 dB (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.
【High-Efficiency Vacuuming】: Ideal for HVAC maintenance, it ensures deep cleaning and reliable results every time.
3.5CFM 180W 1 Stage——This single-stage rotary vane vacuum pump features a robust 1/4 HP motor, delivering a 3.5 CFM flow rate and an ultimate vacuum of 5 Pa.
5CFM 375W 2 Stage——This two-stage rotary vane vacuum pump features a robust 1/2 HP motor, delivering a 5 CFM flow rate and an ultimate vacuum of 0.3 Pa.
7CFM 550W 2 Stage——This two-stage rotary vane vacuum pump features a robust 3/4 HP motor, delivering a 7 CFM flow rate and an ultimate vacuum of 0.3 Pa.
【Stable & Reliable Operation】: Equipped with a 4-pole high-torque motor, this HVAC vacuum pump runs efficiently for extended periods. Its cast-iron and die-cast aluminum housing with a built-in cooling fan avoids overheating, maintaining stable performance.
【Excellent Compatibility】:
3.5CFM 180W 1 Stage——Equipped with both 1/4-inch SAE and 1/2-inch ACME air inlet ports, this vacuum pump easily connects to automotive A/C systems and small R22, R134a, and R410a refrigerant systems.
5CFM 375W 2 Stage——Equipped with 1/4-inch SAE, 1/2-inch ACME, and 3/8-inch SAE air inlet ports, this vacuum pump easily connects to automotive A/C systems and small R22, R134a, and R410a refrigerant systems.
7CFM 550W 2 Stage——Equipped with 1/4-inch SAE, 1/2-inch ACME, and 3/8-inch SAE air inlet ports, this vacuum pump easily connects to automotive A/C systems and small R134a, R22, R410a, R1234YF, and R32 refrigerant systems.
【User-Friendly Design】:
3.5CFM 180W 1 Stage——With a 0.21 qt. (200 ml) oil capacity and a transparent oil window, checking oil levels is simple. This air conditioning vacuum pump even includes a bottle of 0.21 qt. (200 ml) vacuum oil, so you can use it right out of the box.
5CFM 375W 2 Stage——With a 0.26-quart (250 ml) oil capacity and a transparent oil window, checking oil levels is simple. This air conditioning vacuum pump even includes a bottle of 0.26 qt. (250 ml) vacuum oil, so you can use it right out of the box.
7CFM 550W 2 Stage——With a 0.26 qt. (250 ml) oil capacity and a transparent oil window, checking oil levels is simple. This air conditioning vacuum pump even includes a bottle of 0.26 qt. (250 ml) vacuum oil, so you can use it right out of the box.
【Versatile Applications】: This AC vacuum pump automotive is designed for refrigeration servicing, HVAC repair, resin degassing, and wood stabilization. It is suitable for both professional and home use and handles multiple industries and creative projects.
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.