Quote:
Originally Posted by wicked1
Can't you just blow the water lines and pull the filter then replace the filter housing and suck antifreeze in by the filler hole near the HW heater? Do you have to depress this valve? Worried about breaking it
2014 F150 FX4 Crew 4X4 EB
2015 Roo 23IKSS
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I don't know why Mr Havercamp thinks you'd need to open this check valve. Just open a faucet and the pressure will drop to zero.
If you blow the lines out with air, you don't really need the AF. I blew out my Roo 19 for 3 yrs, never added AF, except to the drains and tanks. Blew out my Mini Lite this fall, only added AF to drains and tanks.
I also haven't worried too much about the compressor regulator setting, either. On these little 2-3 gal air compressors, if you've got a faucet open, the pressure drops so fast that it never really gets over 50 psi anywhere in the system. The PEX and fittings should be good for 100 lbs. Now if you were using a 50 gal shop air compressor, it would be a whole 'nother story.