Max. W.P. PSI 75. 1" pipe connections, 3/4" feeder connections. Steam boilers up to 11,600 sq. ft.
LWCO MCDONNELL & MILLER 53-2
Features and Benefits
For low pressure steam and hot water boilers larger than 5,000 sq. ft. (465m2) with hot or cold water feed Optional Features
No. 2 switch Manual reset Float block Proportional feed action Model 53 can be field upgraded with a No. 2 switch to add low water cut-off function Maximum water supply pressure 150 psi (10.5 kg/cm2) Maximum inlet water temperature 120°F (49°C) Maximum vessel pressure 75 psi (5.3 kg/cm2)