McDonnell & Miller 51-HD - Head Mechanism Only (134900)

For low pressure steam and hot water boilers larger than 5,000 sq. ft. (465m2) capacity with cold water feed

Details:

• Mechanical water feeder
• Head mechanism only
• Connection type: screwed
• Connection size: 1"
• Quick-change replaceable cartridge valve and strainer
• Proportional feed action
• Model 51 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: 35 PSI (2.5 kg/cm²)