Q: Cuál es el costo del artículo enviado a Puerto Rico y cuanto tarda ?
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Q: Will this work on my HarvestRight freeze Dryer?
This vacuum pump is designed for work on AC/R systems and is designed to be used by trained technicians.
We do not recommend using these vacuum pumps outside of approved HVAC system work.
Please contact NAVAC directly at the link here: https://navacglobal.com/contact/
Q: Do you have to use navac brand oil for the pump?
You should always use the brand of vacuum pump oil that matches the brand of your vacuum pump. These vacuum pumps are specially designed for use with their own vacuum oil.
TruTech has done the testing and confirmed using the same brand of vacuum pump oil as your vacuum pump yields better results all around.
Q: Will This vacuum pump work on any a/c system 134a /R22/502 automotive/commercial/residential
The refrigerants you listed are all compatible with NAVAC vacuum pumps.
The NP7DP is not A2L compliant and should not be used on equipment or refrigerants where flame/explosion proof attributes are required.
The NP7DP is a good vacuum pump for automotive, commercial and residential. When looking for a vacuum pump for more industrial applications such as large chillers or rack systems you should look at the NAVAC NP12DM 12CFM Vacuum Pump: https://www.trutechtools.com/NAVAC-NP12DM-12CFM-Vacuum-Pump
Q: What does it mean dual voltage. I know that some of their pumps are brushless dc. Is this ac/dc. What is the advantage of this? Also, what does it mean expanded application?
A: The unit can be plugged in where either 120V or 230 V are found.
The advantage and the meaning of expanded application is the convenience in that it can be used in areas where either 120V or 230V AC are found,
Q: Is this pump compatible with the new R32 sparkles regulations?
A: This pump is not sparkless and shouldn't be used with flammable refrigerants.
Q: what Port Type for this pump. i want to buy this and use with Sman digital manifolds SM480v. it have 3/8 thread flare fittings.
A: The NP7DP has 1/4", 3/8" and 1/2" flare input valves.
Q: Does this have a gas ballast feature that makes it so water does not stay in the oil?
A: There is a gas ballast, but it is to bypass the oil so it does not contaminate it on the initial pull down.
Q: DO YOU NEED A PLUG ADAPTER TO USE THE 230V
A: Yes, you will need an adapter. The unit only comes with a 115V plug.