? About a BAXI LUNA HT 380 boiler ? How to install an external expansion tank to this boiler
Or any one like this condensing wall hung boiler combo unit heat/h20. My internal tank is bad and I need to install a new one under the hanging unit. ? As I follow the existing tank with a 1\4" line into a 1\2 " line, it enters into a block with temp sensers. At the right endof the block just behind the gas valve, there is a 1\2 threaded plug which is threaded into the right end of mentioned block .? Can I remove this plug and tap into this block to add the NEW add on expansion tank? Please show diagram or details if this can be done a s a p, I am getting tired of purging air out my systems 3 zones 3times a day. I will be using up to 3000 linial ft of copper and pex tubing withn122k btu output, is a ex -30 4.4gal tank the right size or do I need the 60 at 7.? Gal.. ? Radley usa massachusetts
