Model number 51-2 is a combination float-operated make-up water feeder and low water cut-off for low pressure steam or hot water boilers with a capacity larger than 5,000 square feet with a tapped 1" FIP connection. This unit features an automatic reset, a 120 volt number 2 cut-off switch, and continuous maintenance of minimum safe water level independent of electrical service. Its maximum water pressure is 150 psi and steam pressure is 35 psi.

Part Number : 135000

Model: 51-2

Details:

• Mechanical water feeder & low water cut-off
• Connection type: screwed
• Connection size: 1"
• Equipped with a No. 2 switch
• Quick-change replaceable cartridge valve and strainer
• Proportional feed action
• 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)

Our shipping rates depend on delivery location as well as the size and weight of the item. Shipping will be calculated during the checkout process.

In you would like to return a product, you must first contact one of Customer Service Specialists for a Return Authorization. All return shipments must be prepaid by the customer. Made-to-order or custom products are non-returnable and non-refundable. Please note that there is a restocking fee for all returns.