McDonnell Miller (347900) SA150-106R Bellows AssemblyModel number SA150 106R is a bellows assembly for model number 150 and 150S controls. The bracket connects to the float housing on one end and to the switch on the other. Part Number: 347900 Model: SA150 106R Bellows assembly for Series 42, 42S,150, 150S, 157, and 157S low water cut off pump controllers for steam boilers.

dust tight

System Type: Hydronic (Water)

It also includes pair of 3" flanges

Maximum boiler pressure 50 psi (3

for heating systems (steam and hot water)

of Power supplies (amps per breaker): 1 x 60A

Maximum temperature 225°F (107°C)

Alloy Steel Trim

Body Material: Cast Iron

Equipped with auto reset

and its resilient mounting provides quiet

Ecocirc XL 20-35