McDonnell 171802 Hi Pressure Level Control

Product Overview

For commercial and industrial low or high pressure boiler applications

• For boilers of any steaming capacity
• Monel bellows provides corrosion resistance
• Snap action switches for high temperature service
• 1 Single pole, single throw switch for pump control
• 1 Single pole, double throw switch for low water cut-off and alarm actuation
• Maximum pressure 150 psi (10.5 kg/cm2)

• Model 150S-MD has Maximum differential operation
• Prevents nuisance burner shutdowns in low pressure applications
• Maximum operating pressure 50 psi (3.5 kg/cm2)

• Manual reset
• 2 Single pole, single throw switches
• 2 Single pole, double throw switches
• Float block
• BSPT threads