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MCDONNELL & MILLER 325600 McDonnell & Miller 150-14H Head Gasket for Series 150S/157S Replacement 325500Vendor MCDONNELL & MILLERSKU: 325600Product DescriptionEnsure your low water cut-offs function seamlessly with the McDonnell & Miller 325600 head gasket, specifically designed for Series 93 and 193 as well as Series 150S and 157S models. This essential component provides a reliable seal, preventing leaks and ensuring the efficient...
- $21.99
- $21.99
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McDonnell & Miller 126400 Make-Up Water Feeder 3/4 Inch NPT 150 PSIVendor MCDONNELL & MILLERSKU: 126400Product DescriptionThe McDonnell & Miller 126400 is a precision-engineered make-up water feeder designed for boiler receiver tanks. This feeder facilitates the controlled feed of water into the system, ensuring optimal performance and efficiency. Features direct mounting for simplified installation Incorporates a proportional feed action...
- $1,035.84
- $1,035.84
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MCDONNELL MILLER 153827 PSE-801-120 Low Water Cut-Off 120VVendor MCDONNELL & MILLERSKU: 153827Product DescriptionThe McDonnell & Miller model 153827, also known as PSE-801-120, is a dependable electronic low water cut-off control unit designed for steam boilers. Essential for safety, it automates water feed control to maintain water levels and prevent boiler damage or failure. Automatic reset...
- $361.90
- $361.90
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McDonnell & Miller 142400 Mechanical Low Water Cut-Off 1 PackVendor MCDONNELL & MILLERSKU: 142400Product DescriptionEnhance boiler safety with the McDonnell & Miller 142400 Mechanical Low Water Cut-Off. Designed for steam and hot water boilers, this unit is essential for preventing boiler dry firing which can lead to expensive damages. Automatic reset with dual 120 volt switches Maximum...
- $818.93
- $818.93
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McDonnell & Miller 114400 Series FS4-3 1 General Purpose Flow Switch - Paddle StyleVendor MCDONNELL & MILLERSKU: 114400Product DescriptionThe McDonnell & Miller Series FS4-3 1 NPT Snap Liquid Flow Switch with MPN 114400 is designed for general-purpose applications. This switch enables control of electrically operated equipment like alarms and motors based on liquid flow. Features include two electrical knock-outs that allow...
- $261.09
- $261.09
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McDonnell & Miller 165900 Model 94M LWCO & Pump Controller SteamVendor MCDONNELL & MILLERSKU: 165900Product DescriptionThe McDonnell & Miller 165900 Model 94M is an essential device for steam boiler operations. It serves as a low water cut-off and pump controller, designed for boilers with a separate water column. This model guarantees safety and efficiency in maintaining water levels...
- $2,390.27
- $2,390.27
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MCDONNELL & MILLER 110000 Switch Model 2 For Series 63 Low Water Cut-offsVendor MCDONNELL & MILLERSKU: 110000Product DescriptionThe McDonnell & Miller 110000 Switch Model 2 is essential for system efficiency and consistency, designed for use with Series 63 low water cut-offs and Series 847 make-up water feeders. Direct replacement for series 47-2, 51-2, 51S-2, 63, and 247-2 models Supports both...
- $268.56
- $268.56
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McDonnell & Miller 110100 Low Water Cut-Off Switch Manual ResetVendor MCDONNELL & MILLERSKU: 110100Product DescriptionThe McDonnell & Miller 110100 is a manual reset low water cut-off switch designed for use with series 47, 51, 53, and 247 combination mechanical water feeders and low water cut-offs. This device ensures reliable monitoring and safety of the boiler water levels....
- $268.56
- $268.56
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MCDONNELL & MILLER 136000 51-S-2-M Water Feeder Mechanical Low Pressure Steam and Hot Water (1 inch)Vendor MCDONNELL & MILLERSKU: 136000Product DescriptionThe McDonnell & Miller model 136000, a reliable mechanical water feeder and low water cut-off device, is specifically engineered for both low pressure steam and hot water boilers. This integral unit ensures effective management of boilers with a substantial floor space of up...
- $2,119.83
- $2,119.83
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McDonnell & Miller 132700 47 Mechanical Water Feeder 120/240 VACVendor MCDONNELL & MILLERSKU: 132700Product DescriptionThe McDonnell & Miller 132700 is a mechanical water feeder designed for reliable operation in steam and hot water boiler systems. This unit ensures the continuous maintenance of a safe water level in your boiler, independent of electrical service. Proportional feed action ensures...
- $1,252.75
- $1,252.75
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McDonnell & Miller 120610 FS254 Liquid Flow Switch with Paddles 120V General PurposeVendor MCDONNELL & MILLERSKU: 120610Product DescriptionThe McDonnell & Miller model number 120610 is a liquid flow switch designed for use with electrical equipment. This switch operates at 120 volts and features a single pole, double throw design. It is used to start and stop devices like motors, alarms,...
- $326.21
- $326.21
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MCDONNELL & MILLER 171907 1575 Low Water Cut-Off Series 1575Vendor MCDONNELL & MILLERSKU: 171907Product DescriptionMcDonnell & Miller model 1575 Low Water Cut-Off offers robust performance for handling the implications of unstable water line fluctuations. The device is designed specifically to control steam and hot water boilers efficiently. Pressure capacity up to 250 psi. Equipped with 1 inch...
- $1,638.25
- $1,638.25
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McDonnell & Miller 120611 FS251 General Purpose Liquid Flow Switch 125 VA 1 in NPTVendor MCDONNELL & MILLERSKU: 120611Product Description The McDonnell & Miller 120611 is a general purpose liquid flow switch designed for applications that require monitoring of fluid flow. This switch has a flow rate of 17.6 gallons per minute. It operates on 125 VA power and supports contact ratings...
- $244.71
- $244.71
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McDonnell & Miller 126800 25-A Make-Up Water Feeder 3/4 x 1 inch NPT 120/240 VACVendor MCDONNELL & MILLERSKU: 126800Product DescriptionThe McDonnell & Miller 126800 Make-Up Water Feeder is a reliable solution for regulating water supply in boiler receiver tanks. It operates on a float mechanism, ensuring consistent water levels and reducing the need for manual adjustments. Float-operated for automatic water feeding Proportional...
- $1,537.23
- $1,537.23
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MCDONNELL & MILLER 166600 Low Water Cut-Off & Pump Controller (SIZE 1-1/4 NPT) Replacement 194Vendor MCDONNELL & MILLERSKU: 166600Product DescriptionThe McDonnell & Miller 194 Low Water Cut-Off & Pump Controller, MPN 166600, is a vital component for maintaining boiler safety and efficiency. It is designed for both commercial and industrial steam boilers supporting pressures up to 250 psi. Integrated with an automatic...
- $2,885.32
- $2,885.32
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MCDONNELL & MILLER 163000 Low Water Cut-Off & Pump Controller 120V, 240V Series 93Vendor MCDONNELL & MILLERSKU: 163000Product Description The McDonnell & Miller 93-7B Low Water Cut-Off & Pump Controller, model 163000, is adept at ensuring the safety and efficiency of steam boilers. This device integrates both low water cut-off and pump controller functionality with automatic reset, making it a reliable...
- $2,747.92
- $2,747.92
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McDonnell Miller 129502 42S-HD Head Mechanism for Series 42SVendor MCDONNELL & MILLERSKU: 129502Product DescriptionThe McDonnell Miller model 42S-HD is a specialized head mechanism for 42S control systems. This robust mechanism facilitates easy and efficient maintenance or replacement of existing units without the need to adjust or disturb the surrounding piping system. Designed for direct replacement and...
- $1,070.99
- $1,070.99
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McDonnell & Miller 133800 247-2 Mechanical LWCO & Water FeederVendor MCDONNELL & MILLERSKU: 133800Product DescriptionDesigned for low pressure steam and hot water boilers, the McDonnell & Miller 133800 model ensures continuous operation and water level management independently of electrical service. This unit effectively combines a mechanical water feeder with a low water cut-off, tailored for optimal performance...
- $1,436.22
- $1,436.22
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McDonnell & Miller 166300 McDonnell & Miller 166300 Mechanical Combination Low Water Cut-Off/Pump Controller 1-1/4 inch NPTVendor MCDONNELL & MILLERSKU: 166300Product DescriptionThe McDonnell & Miller 166300 is a robust mechanical combination low water cut-off and pump controller designed for commercial and industrial steam boilers. This unit ensures a consistent water level despite variations in pressure, ideal for any capacity steam boiler. Efficient maintenance of...
- $3,258.26
- $3,258.26
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MCDONNELL & MILLER 122800 AF-1 Air Flow Switch 120V/240V Medium and High Velocity (Size 7-1/4 inches) Replacement 122920, AF1-JVendor MCDONNELL & MILLERSKU: 122800Product DescriptionThe McDonnell & Miller 122800 AF-1 Air Flow Switch is designed for general-purpose applications requiring medium to high velocity air flow control. This robust switch supports both 120V and 240V electrical systems and is ideal for various settings including HVAC systems and industrial...
- $406.59
- $406.59
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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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