I’d check with the dealer, on some systems there’s a valve in the fitting and as you unscrew the sensor it closes to stop the gas leaking out. I have no experience with the NH system though so it may not have this feature.
Don't take a chance get system checked switches are there to protect the system if it's bypassed and compressor blows up it will be expensive to repair, have you checked condenser if blocked pressure will go up.
The Livestock and Meat Commission (LMC) recently submitted oral evidence to members of the Stormont Agriculture, Environment and Rural Affairs (AERA) committee on the content and potential impact of the Northern Ireland Climate Change Bill (No.2).
This draft legislation was recently introduced to the Northern Ireland Assembly by the Department of Agriculture, Environment and Rural Affairs (DAERA) in conjunction with agriculture minister, Edwin Poots.
“We were accompanied by representatives from a wide range of food industry bodies, including the Northern Ireland Meat Exporters’ Association,the Ulster Farmers’ Union [UFU], Northern...