McDonnell & Miller 150S | Mechanical Combination Low Water Cut-Off / Pump Controller for Steam Boilers, Series 150S, Model# 150S

In stock
SKU: MM150S
Regular price $1,530.00
100% Secure Payments
Industry Leading Quality & Service

Got questions? Ask an expert!

Features

  • 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)

Specifications

Brand McDonnell & Miller
MPN 150S
Category Boiler Controls
Series 150S
Model 150S
Standards UL listed, CSA certified
Electrical Ratings - 120 VAC
Pump circuit rating (amperes) - 120 VAC Full Load - 7.4
Locked Rotor - 44.4
Pilot duty - 120 VAC 345 VA
Alarm circuit rating (amperes) - 120 VAC 1
Electrical Ratings - 240 VAC
Pump circuit rating (amperes) - 240 VAC Full Load - 3.7
Locked Rotor - 22.2
Pilot duty - 240 VAC 345 VA
Alarm circuit rating (amperes) - 240 VAC 1/2
  • SKU MM150S

Most in-stock items ship within 1–3 business days. Once shipped, you will receive a confirmation email with tracking. Special-order items or items shipped from partner warehouses may require additional processing time. Orders ship via UPS or USPS depending on the item and destination. If you need a specific carrier, please contact us before placing your order.