Mcdonnell & Miller Series 42S Low Water Cut-Off/Pump Controllers
McDonnell & Miller Combination Low Water Cut Offspump Controllers.
SKU 3G-OTH-02731
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 42S combination low water cut-off/pump controller used for?
The McDonnell & Miller 42S is used in steam and hot water boilers to automatically shut off the burner if water level drops too low, and to control the boiler feed pump. Its Monel bellows resists corrosion, making it suitable for demanding industrial environments.
What are the specifications of the McDonnell & Miller 42S?
The 42S features a Monel bellows for corrosion resistance, single pole single throw snap action switches, and an enclosed junction box for switch protection. It has a maximum pressure rating of 50 psi (3.5 bar). These specs ensure reliable low water cut-off and pump control in boiler systems.
Where to buy the McDonnell & Miller 42S in Singapore?
You can source the McDonnell & Miller 42S combination low water cut-off/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 corrosion-resistant model.
How to install the McDonnell & Miller 42S low water cut-off?
Install the 42S in the boiler water line at the recommended level per manufacturer guidelines. Ensure the Monel bellows is properly aligned and the junction box is securely enclosed. Always follow local codes and use a qualified technician for wiring the snap action switches to the burner and pump controls.
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.