Mcdonnell & Miller Series 150S/157S Low Water Cut-Off/Pump Controller
McDonnell & Miller Combination Low Water Cut Offspump Controllers.
SKU 3G-OTH-02727
Also listed as: 150S157S · 150S 157S · 150S-157S
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
McDonnell & Miller Combination Low Water Cut Offspump Controllers.
Frequently Asked Questions
What is the McDonnell & Miller 150S/157S used for?
The McDonnell & Miller 150S/157S is a combination low water cut-off and pump controller for steam boilers and hot water systems. It uses Monel bellows for corrosion resistance and snap-action switches to protect against low-water conditions, ensuring safe boiler operation in commercial and industrial applications.
What are the specifications of the McDonnell & Miller 150S/157S?
The 150S/157S features a Monel bellows for corrosion resistance and snap-action switches. It includes one single-pole, single-throw switch for pump control and one for alarm or burner cut-off. Designed for high-temperature service, it is suitable for steam pressures up to 150 psi and water temperatures up to 250 °F.
Where to buy McDonnell & Miller 150S/157S in Singapore?
You can source the McDonnell & Miller 150S/157S combination low water cut-off and pump controller through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this industrial boiler safety component.
How to install a McDonnell & Miller 150S/157S low water cut-off?
Install the 150S/157S in the boiler's water line at the recommended height per manufacturer guidelines. Ensure the Monel bellows is not damaged during handling. Wire the snap-action switches according to your pump and burner control circuit. Test operation by lowering water level to verify cut-off and pump activation.
Used in
Common applications for Mcdonnell & MillerMcdonnell & Miller Products
3G Electric supplies Mcdonnell & Miller combination low water cut offspump controllers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.