header bg

Download PASSEMALL Prep app now

Scan QR code or get instant email to install app

Question:

The leak check should be done on heat pump that uses R-410A with _______

A Pressurised nitrogen
explanation

Explore more questions
Take more free practice tests for other PASSEMALL topics with our epa test now!

Related Information

Comments

Leave a Reply

Your email address will not be published. Required fields are marked *

*