McDonnell & MillerSKU: 173502

Sale price$1,685.71


Low Water Cut-Offs – Mechanical
For Steam Boilers

Series 157S
Low Water Cut-Off/Pump Controllers
• For residential, commercial and industrial low or high pressure boiler applications
• For boilers of any steaming capacity
• Monel bellows provides corrosion resistance
• Float chamber with integral water column provided
•`Snap action 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
– Integral conductance probes for additional levels and greater operating differential-Model 157S-RBP-MD
– 1" or 11⁄4" NPT equalizing tappings
– 1⁄2" or 3⁄4" NPT tappings for gauge glass/tri-cock installations
– BSPT threads
• Maximum pressure 150 psi (10.5 kg/cm2)

Model 157S-MD
Maximum differential operation
– Prevents nuisance burner shutdowns in low pressure applications operating less than 50 psi (3.5 kg/cm2)

Payment & Security

American Express Apple Pay Diners Club Discover Google Pay Mastercard Shop Pay Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

You may also like

Recently viewed