McDonnell & Miller 143100 Model 63-M – Low Water Cut-OffMcDonnell & Miller

$1,138.50

McDonnell & Miller 143100 Model 63-M – Low Water Cut-Off

McDonnell & Miller model number 63M is a float-operated low water cut-off for steam or hot water boilers. This control features a manual reset with dual 120 volt switches for low water cut-off and alarm or electric water feeders. Its maximum pressure is 50 psi and has a tapped 1″ FIP connection for equalizing pipes. Blow down valve required.

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McDonnell & Miller 143100 Model 63-M – Low Water Cut-Off

McDonnell & Miller model number 63M is a float-operated low water cut-off for steam or hot water boilers. This control features a manual reset with dual 120 volt switches for low water cut-off and alarm or electric water feeders. Its maximum pressure is 50 psi and has a tapped 1″ FIP connection for equalizing pipes. Blow down valve required.

Additional information

Weight 13 lbs
Dimensions 5 × 6 × 10 in

Specifications

Downloads

Mcdonnell-Miller_liquid-flow-switches_catalog 

Mcdonnell Miller_liquid-flow-switches_parts-list 

Mcdonnell-Miller_series-fs4-3-liquid-flow-switch_instructions

Mcdonnell-Miller_general_catalog 

Mcdonnell-Miller_Service_catalog

Mcdonnell-Miller_series-fs-5-liquid-flow-switch_instructions

Mcdonnell-Miller_series-fs-8-liquid-flow-switch_instructions

Mcdonnell-Miller_series-fs-8-liquid-flow-switch_techsheet

Mcdonnell-Miller_series-fs-8-liquid-flow-switch_parts

Mcdonnell-Miller_water-feeders_catalog

Mcdonnell-Miller_water-feeders_parts-list

Mcdonnell-Miller_model-21-221-water-feeder_instructions

Mcdonnell-Miller_liquid-level-control_overview

Mcdonnell-Miller_27w-liquid-level-control_instructions

Mcdonnell-Miller_lwco_catalog

Mcdonnell-Miller_lwco_parts-list

Mcdonnell-Miller_series-63-lwco_instructions

Mcdonnell-Miller_series-63_64_65-replacement-floats_instructions

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    What does Inline Sales & Services Ltd. specialize in?

    Inline Sales & Services Ltd. specializes in hydronic pumps, pump systems, parts, and related solutions for commercial, industrial, and HVAC applications. We provide sales, service, and technical support to customers throughout British Columbia and across Canada.

    Where are you located?

    We are located in Surrey, British Columbia, and serve customers locally in the Lower Mainland as well as nationwide.

    Do you ship across Canada?

    Yes. We ship pumps, parts, and equipment anywhere in Canada. Shipping options and timelines vary depending on product availability and destination.

    What types of pumps do you supply?

    We supply a wide range of pumps, including:

    • Hydronic pumps

    • Circulation pumps

    • Inline pumps

    • End suction pumps

    • Booster pumps

    • HVAC and mechanical system pumps

    Do you sell pump parts?

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    Do you sell pump parts?

    Yes. We carry and source a wide selection of pump parts, including seals, bearings, impellers, motors, and gaskets. If we don’t have a part in stock, we can usually source it quickly.

    Do you work with Bell & Gossett pumps and parts?

    Yes. Inline Sales & Services Ltd. has extensive experience with Bell & Gossett pumps and replacement parts, including repairs and upgrades.

    Can you help identify the correct pump or replacement part?

    Absolutely. Our knowledgeable team can help you identify the correct pump or part based on your system requirements, model numbers, or application details.

    Do you offer pump repair services?

    Yes. We provide professional pump repair and service solutions for many makes and models. Our goal is to restore performance, extend equipment life, and minimize downtime.

    How do I place an order?

    You can place an order by contacting us directly by phone or email. Our team will confirm availability, pricing, and shipping details.

    How can I contact Inline Sales & Services Ltd.?

    You can reach us by phone or email, or by using the contact form on our website. We’re happy to answer questions, provide quotes, or assist with technical inquiries.

    McDonnell & Miller

    Mcdonnell miller parts

    A leader in engineering and manufacturing boiler and liquid level controls, low-water cutoffs, and flow switches for steam and hot water boilers in industrial, commercial and building applications.

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    PLEASE NOTE THAT PAYMENTS TERMS ARE DUE UPON RECEIPT UNLESS OTHERWISE STATED. THERE IS A 25% RESTOCKING CHARGE ON RETURNED ITEMS UNUSED WITHIN 30 DAYS. NO RETURNS ON SPECIAL/CUSTOM ORDERS INCLUDING NEW PUMP BUILDS, HEAT EXCHANGERS, CUSTOM PUMP ORDERS, MANUFACTURED ITEMS. **NOTE: CLEARANCE ITEMS ARE SOLD AS IS, NEW IN BOX. NO WARRANTY AND NO RETURNS ON ALL CLEARANCE ITEMS.