McDonnell Miller (173502) 157S Low Water Cut-Off & Pump Controller
McDonnell Miller (173502) 157S Low Water Cut-Off & Pump Controller
- SKU 173502
- in stock
Couldn't load pickup availability
Model number 157S is a combination float-operated low water cut-off and pump controller for steam boilers with an integral water column. The controller has 1/2" NPT tappings for gauge glass and tri-cocks. This control features an automatic reset with two 120 volt bi-metal snap switches. One switch is single pole, single throw for pump control. The other is single pole, double throw for low water cut-off and alarm actuation. Its maximum pressure is 150 psi and it has a tapped 1" FIP connection.
Part Number: 173502
Model: 157S
Overview
- 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
For commercial and industrial low or high pressure boiler applications and boilers of any steaming capacity.
Optional Features
- Manual reset
- 2 Single pole, single throw switches
- Float block
- BSPT threads
- Maximum pressure 150 psi (10.5 kg/cm2)
- Model 150S-MD Maximum differential operation – Prevents nuisance burner shutdowns in low pressure applications
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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.
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