MCDONNELL & MILLER Low Water Cut-Off
SKU 3G-OTH-85228
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Frequently Asked Questions
What is the MCDONNELL & MILLER Low Water Cut-Off 193 used for?
The MCDONNELL & MILLER 193 is a low water cut-off and pump controller used in steam and hot water boilers to prevent dry-fire damage. It automatically shuts down the burner and controls the feed pump when water level drops, protecting equipment in commercial and industrial HVAC systems.
What are the specifications of the MCDONNELL & MILLER 193?
The MCDONNELL & MILLER 193 is a low water cut-off and pump controller. Its manufacturer part number is 193. It is designed for replacement in HVACR pumps, valves, and tubing applications. For detailed electrical ratings and pressure limits, consult the product datasheet.
Where to buy the MCDONNELL & MILLER 193 worldwide?
3G Electric supplies the MCDONNELL & MILLER 193 low water cut-off and pump controller to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this genuine replacement part.
How to install the MCDONNELL & MILLER 193 low water cut-off?
Install the MCDONNELL & MILLER 193 in the boiler piping per the manufacturer's instructions. Ensure proper electrical connections for the pump controller and burner interlock. Always follow local codes and use a qualified technician. 3G Electric can provide technical support for selection and application.
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3G Electric supplies MCDONNELL replacement hvacr pumps, valves & tubing. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













