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Mcdonnell & Miller 135600 51-S Mechanical Water FeederVendor MCDONNELL & MILLERSKU: 135600Product DescriptionThe McDonnell & Miller 135600 is a mechanical water feeder designed for high capacity applications. It is suitable for low pressure steam and hot water boilers with a cold water supply. This feeder operates with a proportional feed action, ensuring water is added...
- $1,888.66
- $1,888.66
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McDonnell & Miller 163400 Combo Low Water Cut-Off & Pump Controller w/ #5 SwitchVendor MCDONNELL & MILLERSKU: 163400Product DescriptionThe McDonnell & Miller 163400 is a low water cutoff and pump control system designed for steam boilers. This unit maintains a consistent water level in both commercial and industrial applications, regardless of pressure changes. The design includes a water column with integral...
- $2,473.14
- $2,473.14
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McDonnell & Miller 176206 750-T-120 GuardDog Electronic Reset LWCO for Hot Water & Steam Boilers AutomaticVendor MCDONNELL & MILLERSKU: 176206Product DescriptionThe McDonnell & Miller 750-T-120 is an electronic low water cut-off control unit. This device is designed for use in hot water boilers, as well as providing secondary protection in steam boilers. It operates at one hundred twenty volts and features an automatic...
- $261.30
- $261.30
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McDonnell & Miller 169550 WFE-24V, Uni-Match Universal Water Feeder (24V)Vendor MCDONNELL & MILLERSKU: 169550Product DescriptionThe McDonnell & Miller 169550 WFE-24V is a Uni-Match Universal Water Feeder designed for low pressure steam boilers. This 24-volt electric water feeder is effective for residential and small commercial applications. It operates automatically, adding water when needed to maintain system pressure and...
- $465.38
- $465.38
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McDonnell & Miller 325300 Gasket Model 150-9Vendor MCDONNELL & MILLERSKU: 325300Product DescriptionThe McDonnell & Miller 325300 is a gasket specifically designed for the base of the float bellows in 150 series controls. This gasket, identified as model 150-9, is essential for maintaining the proper functioning of float controls. It ensures a secure seal, preventing...
- $21.99
- $21.99
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Mcdonnell & Miller 172806 150S-M Float Type Combo LWCO & Pump Controller w/Manual Reset (Steam)Vendor MCDONNELL & MILLERSKU: 172806Product DescriptionThe McDonnell & Miller 172806 is a float type combo low water cutoff (LWCO) and pump controller designed for steam boiler applications. This unit features a manual reset function, suitable for commercial and industrial use. It ensures safe operation by monitoring water levels...
- $1,239.46
- $1,239.46
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McDonnell & Miller 169560 WFE-120V Uni-Match Universal Water Feeder 120VVendor MCDONNELL & MILLERSKU: 169560Product DescriptionThe McDonnell & Miller Universal Water Feeder, model 169560, is designed for residential and small commercial use. This feeder is suitable for boilers and operates automatically when low water is detected. It connects easily to either float-type or probe-type low water cut-offs. It...
- $465.38
- $465.38
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Mcdonnell & Miller 342300 SA51-9R Strainer Assembly for 21 & 25AVendor MCDONNELL & MILLERSKU: 342300Product DescriptionThe McDonnell & Miller 342300 is a strainer assembly designed for use with the 21 and 25A models. This product serves as a replacement strainer basket, complete with housing and gasket. It is crucial for maintaining water flow and protecting piping from debris....
- $243.61
- $243.61
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McDonnell & Miller 135300 51-2-M-HD Head Mechanism for Mechanical Water Feeder w/ No. 2 Switch (LWCO Function) w/ Manual resetVendor MCDONNELL & MILLERSKU: 135300Product DescriptionThe McDonnell & Miller 135300 is a head mechanism designed for mechanical water feeders. It features a number two switch and operates with low water cut-off (LWCO) functions. The product allows for manual reset, ensuring reliable operation. Type: Float-Style Switch: #2 Application: Replacement...
- $1,707.64
- $1,707.64
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McDonnell & Miller 115652 FS6-W-1 Liquid Flow Switch 120 Volt NEMA 4X Replacement MPNVendor MCDONNELL & MILLERSKU: 115652Product DescriptionThe McDonnell & Miller model FS6-W-1 is a reliable and efficient liquid flow switch designed for applications requiring high sensitivity. Operating at one hundred twenty volts with a NEMA 4X enclosure, this switch is suitable for heavy-duty tasks including water treatment systems, compressors,...
- $730.82
- $730.82
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McDonnell & Miller 143200 63M-HD Head MechanismVendor MCDONNELL & MILLERSKU: 143200Product DescriptionThe McDonnell & Miller 63M-HD head mechanism, with MPN 143200, is essential for the 63M controls. Designed for easy replacement, the head mechanism comes fully equipped except for the float chamber. Simply remove the bolts on the float chamber to install a new...
- $784.14
- $784.14
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Mcdonnell & Miller 339500 SA21-6 Valve Assembly for 21Vendor MCDONNELL & MILLERSKU: 339500Product DescriptionThe McDonnell & Miller 339500 model SA21-6 is a valve assembly designed for Series 21 and Series 221 water feeders. This replacement part ensures efficient operation in various heating systems. Compatible with Series 21 and Series 221 models Includes gaskets for a complete...
- $772.34
- $772.34
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McDonnell & Miller 113200 High Sensitivity Liquid Flow Switch 1/2 in NPT Replacement MPNVendor MCDONNELL & MILLERSKU: 113200Product DescriptionThe McDonnell & Miller 113200 is a high sensitivity liquid flow switch designed for use in applications requiring precise flow monitoring. This model operates efficiently with liquids such as water and fuel oil in heating, air conditioning, and hydronic systems. Its in-line configuration...
- $418.86
- $418.86
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Mcdonnell & Miller 149600 67-G, 67 Float Type Low Water Cut-off for millivolt service (Steam)Vendor MCDONNELL & MILLERSKU: 149600Product DescriptionThe McDonnell & Miller 149600 is a float type low water cut-off designed for millivolt service in steam applications. This device is suitable for use in both residential and commercial settings. It is compatible with boilers of all steaming capacities. The unit features...
- $624.17
- $624.17
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Mcdonnell & Miller 149400 67 Low Water Cut Off with Manual Reset Switch Residential Commercial Steam BoilersVendor MCDONNELL & MILLERSKU: 149400Product DescriptionThe McDonnell & Miller 67 Low Water Cut Off with Manual Reset Switch is a reliable device designed for residential and commercial steam boilers. Manufactured by McDonnell & Miller, this unit is identified as part number 149400. It prevents boiler damage by shutting...
- $624.17
- $624.17
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McDonnell & Miller 176293 750-MT-24 GuardDog Electronic Manual Reset Low Water Cutoff (24V)Vendor MCDONNELL & MILLERSKU: 176293Product DescriptionThe McDonnell & Miller 750-MT-24 is an electronic low water cutoff designed for hot water and steam boilers. This model operates on twenty-four volts and features a manual reset function to protect against low water conditions in commercial and industrial setups. Primary and...
- $259.30
- $259.30
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Mcdonnell & Miller 137300 53-2-HD Head Replacement for Mechanical Water FeederVendor MCDONNELL & MILLERSKU: 137300Product DescriptionMcdonnell & Miller 137300 is a head replacement designed for the mechanical water feeder. This part is essential for maintaining the operation of water feeders in various heating systems. Application: Replacement Part Used With: 53 Series Switch: #2 Product HighlightsThis product is suitable...
- $2,293.06
- $2,293.06
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Mcdonnell & Miller 149500 67-LQHU Float Type Low Water Cut-off without quick hook-up fittings (Steam)Vendor MCDONNELL & MILLERSKU: 149500Product DescriptionThe McDonnell & Miller 149500, 67-LQHU Float Type Low Water Cut-off is built for both residential and commercial applications. This cut-off device is compatible with boilers of any steaming capacity. It features a lever-operated, full port ball valve which allows easy blow down...
- $495.78
- $495.78
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McDonnell & Miller 110300 Electric Switch for McDonnell & Miller 93, 193Vendor MCDONNELL & MILLERSKU: 110300Product DescriptionThe McDonnell & Miller 110300 is a key electric switch designed for use with McDonnell & Miller models 93 and 193 low water cut-off and pump controllers. This product is built to ensure reliable operation in hydronic systems. Compatible with 93 and 193...
- $1,181.41
- $1,181.41
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Mcdonnell & Miller 135900 51-S-2 Mechanical Water Feeder w/ #2 Switch (LWCO Function)Vendor MCDONNELL & MILLERSKU: 135900Product DescriptionThe McDonnell & Miller 135900 is designed for high capacity, low pressure steam and hot water boilers with cold water feed up to thirty-five thousand square feet. It features a #2 switch and proportional feed action for effective operation. Optional manual reset feature...
- $2,119.83
- $2,119.83
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About MCDONNELL & MILLER
McDonnell & Miller Low Water cut-offs are specially designed to protect steam and hot water boilers from the hazards of a low water condition. In operation they will interrupt the electrical current to the firing device, if the water in the system drops below the boiler manufacturer’s minimum safe water level. Our low water cut-offs also provide an additional circuit for a low water alarm, should you desire to install one, for additional protection.
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