Can anyone tell me if I can use the diesel engine air compressor to winterize the water lines ? Is the air clean enough or do I have to add a filter/regulator ?
It is advised to use an oil-less air compressor, so you do not contaminate your water system, they sell small filters you can put on the air line help with this.
Having said that I used a compressor with oil for years before I knew better with out an issue. But always use a air regulator to get pressure below 40 -50psi.
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