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McDonnell & Miller

Xylem (McDonnell & Miller parent company) is a leading water technology company committed to "solving water" by creating innovative and smart technology solutions to meet the world's water, wastewater and energy needs.

​In a world of ever-growing challenges, Xylem delivers innovative water technology solutions throughout the cycle of water.

Our technological strength across the life cycle of water is second-to-none. From collection and distribution to reuse and return to nature, our highly efficient water technologies, industrial pumps and application solutions not only use less energy and reduce life-cycle costs, but also promote sustainability.

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Picture of MCDONNELL MILLER BOILER WATER LEVEL CONTROL 25A

MCDONNELL MILLER BOILER WATER LEVEL CONTROL 25A

MCDONNELL & MILLER:126800
SKU: MCDONNELL & MILLER:126800
$1,302.94
Picture of 42S-A PUMP CONTROLLER LWCO

42S-A PUMP CONTROLLER LWCO

MCDONNELL & MILLER:129702
SKU: MCDONNELL & MILLER:129702
$1,257.55
Picture of 250-2-36 RELIEF VALVE 2" NPT Pressure Relief Valve Set at 36 PSI and 4,600,000 BTU Capacity (Part Number 183125)
Picture of 250-2-40 RELIEF VALVE 2" NPT Pressure Relief Valve Set at 40 PSI and 5,000,000 BTU Capacity (Part Number 183175)
Picture of 250-2-45 RELIEF VALVE 2" NPT Pressure Relief Valve Set at 45 PSI and 5,500,000 BTU Capacity (Part Number 183225)
Picture of 250-2-50 RELIEF VALVE 2" NPT Pressure Relief Valve Set at 50 PSI and 5,900,000 BTU Capacity (Part Number 183325)
Picture of 150 W/2 SPDT/SNAP SW #178402

150 W/2 SPDT/SNAP SW #178402

MCDONNELL & MILLER:178402
SKU: MCDONNELL & MILLER:178402
$1,203.09
Picture of 158S-HD HEAD MECHANISM (Part Number 178602)

158S-HD HEAD MECHANISM (Part Number 178602)

MCDONNELL & MILLER:178602
SKU: MCDONNELL & MILLER:178602
$1,101.84
Picture of 158S-M-HD Combination Low Water Cut-Off and Pump Controller with Two Snap Acting Manual Reset SPDT Switch Head Mechanism Only(Part Number 172821)