McDonnell & Miller 328300 Fittings Freon the switch must be mounted

the switch must be mounted vertically with the diaphragm in a vertical plane

Its non-integrated design allows for focused pilot maintenance without requiring a full control board swap

How do I troubleshoot a 'No Display' issue on my controller

the extended copper connections allow for easy brazing without the risk of damaging the internal valve seals

Can this kit be used for the entire Parker 12F25 series

McDonnell & Miller 328300 Fittings Freon the switch must be mountedThe McDonnell & Miller 328300, also identified as the MA159 Quick Hook Up Fittings, is a critical component for maintaining the efficiency of steam boiler systems. Specifically engineered for seamless compatibility with Series 42A, 47, 64A, and 42S A low water cut offs and pump controllers, these fittings eliminate the need for complex field fabricated piping. This boiler control replacement part includes the upper and lower quick hook up fittings