McDonnell & Miller 344200 Float and Bellows Assembly 30067439-890 the 27-degree pitch is specific

the 27-degree pitch is specific to certain tonnages and motor RPMs

even under high vibration or rapid cycling conditions common in commercial refrigeration racks

the PopTop design allows you to swap the actuator head in seconds without draining the loop

What is the difference between this and the "L" version

With a Cv rating of 2

McDonnell & Miller 344200 Float and Bellows Assembly 30067439-890 the 27-degree pitch is specificWhen you are out in the field servicing a customer's boiler, a compromised level control is a leading cause of nuisance outages and dangerous dry firing conditions. The McDonnell & Miller 344200 Float and Bellows Assembly (Model SA67 2) is the direct manufacturer spec replacement for Series 61, Series 67, Series 69, and Series 70 low water cut offs. This critical assembly is precision engineered to maintain accurate water level detection and interface