• For commercial and industrial low or high pressure
• Boiler applications
• For boiler 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
• Optional features
• Manual reset
• 2 Single pole, single throw switches
• 2 Single pole, double throw switches
• Float block
• BSPT threads
• Maximum pressure 150 psi (10.5 kg/cm2)
  
• Model 150S
  
• Maximum differential operation – Prevents nuisance burner shutdowns in low pressure applications
  
• Maximum operating pressure 50 psi (3.5 kg/cm2)

* If the order is placed where the quantity ordered is more than the quantity available, all items “In stock” will be shipped and the remainder of the items will be shipped as soon as we receive the back ordered items.