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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 HEAD MECHANISM P/N 150S-MD-HD_Combination Low Water Cut-Off and Pump Controller with Snap Acting SPDT Switch with Maximum Differential Operation Head Mechanism Only (Part Number 173103)
Picture of 150S-M-HD_Combination Low Water Cut-Off and Pump Controller with Snap Acting Manual Reset SPDT Switch Head Mechanism Only (Part Number 173203)
Picture of 150S-M-MD-HD HEAD HECHANISM

150S-M-MD-HD HEAD HECHANISM

MCDONNELL & MILLER:172810
SKU: MCDONNELL & MILLER:172810
$1,032.55
Product Availability: Out of stock
Picture of 150SHD HEAD MECHANISM FOR 150 SERIES

150SHD HEAD MECHANISM FOR 150 SERIES

MCDONNELL & MILLER:173003
SKU: MCDONNELL & MILLER:173003
$1,032.55
Product Availability: 3
Picture of MCDONNELL & MILLER LOW WATER CUT OFF # 64A

MCDONNELL & MILLER LOW WATER CUT OFF # 64A

MCDONNELL & MILLER:143700
SKU: MCDONNELL & MILLER:143700
$995.60
Product Availability: Out of stock
Picture of #42S Combination Low Water Cut Off and Pump Controller with SPST Snap Action Switches for Steam Boilers (Part Number 129302)

#42S Combination Low Water Cut Off and Pump Controller with SPST Snap Action Switches for Steam Boilers (Part Number 129302)

MCDONNELL & MILLER:129302
SKU: MCDONNELL & MILLER:129302
$994.21
Product Availability: Out of stock
Picture of #21 Make-Up Water Feeder for Boiler Receiver Tanks with 35 PSI Max Vessel Pressure, 3/4" NPT Connection, and 5 3/4" Bolt Circle (Part Number 126400)
Picture of 42S-JY-HD HEAD MECHANISM

42S-JY-HD HEAD MECHANISM

MCDONNELL & MILLER:310479
SKU: MCDONNELL & MILLER:310479
$970.50
Product Availability: Out of stock
Picture of FS7-4S FLOW SWITCH 1-1 4 NPT, SPDT Snap Switch, Industrial Liquid Flow Switch with Stainless Steel Body for up to 1000 PSI Max Pressure with Trimmable Stainless Steel Paddles (Part Number 120160)
Picture of MCDONNELL MILLER WATER FEEDER W/O QUICK HOOK UP 47X

MCDONNELL MILLER WATER FEEDER W/O QUICK HOOK UP 47X

MCDONNELL & MILLER:133400
SKU: MCDONNELL & MILLER:133400
$930.76
Product Availability: Out of stock