Pay in 4 interest-free payments of $200.32 Learn more
Ships within 48 hours · Estimated delivery Sep 8 - Sep 13
For technicians performing pneumatic calibration
leaking fluid
For differential pressure monitoring
this cable is the specified match for sizes 6-12 and 13-23
McDonnell & Miller 51-S-HD Water Feeder Refrigerant For technicians performing pneumatic calibrationThe McDonnell & Miller 51 S HD (Part Number 135800) is a heavy duty head mechanism only replacement designed specifically for Series 51 S mechanical water feeders. Engineered for high capacity systems up to 35,000 sq. ft., this unit is critical for maintaining precise water levels in low pressure steam and hot water boilers. Proportional feed action ensures a steady response to boiler demand, preventing the rapid cycling that stresses high volume
US$ 117.50
US$ 79.99
US$ 62.00
US$ 162.50
US$ 92.00