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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 FS251 1 NPT SPDT LIQUID FLOW SWITCH

FS251 1 NPT SPDT LIQUID FLOW SWITCH

MCDONNELL & MILLER:120611
SKU: MCDONNELL & MILLER:120611
$195.91
Product Availability: Out of stock
Picture of FS4-3_1" NPT, SPDT Switch, General Purpose Liquid Flow Switch for up to 160 PSI Max Pressure with 1", 2", 3", and 6" Stainless Steel Paddles (Part Number 114400)
Picture of FS4-33 REPLACEMENT SWITCH for all FS4-3's except D Series (Part Number 305200)

FS4-33 REPLACEMENT SWITCH for all FS4-3's except D Series (Part Number 305200)

MCDONNELL & MILLER:305200
SKU: MCDONNELL & MILLER:305200
$110.16
Product Availability: Out of stock
Picture of FS4-3COV COVER  for FS4-3, AF-1, AF-2, and AF-3 Series (Part Number 304400)

FS4-3COV COVER for FS4-3, AF-1, AF-2, and AF-3 Series (Part Number 304400)

MCDONNELL & MILLER:304400
SKU: MCDONNELL & MILLER:304400
$19.17
Product Availability: Out of stock
Picture of FS4-3D_1" NPT, 2-SPDT Switch, General Purpose Liquid Flow Switch for up to 160 PSI Max Pressure with 1", 2", 3", and 6" Stainless Steel Paddles (Part Number 114550)
Picture of FS4-3DS FLOW SWITCH 1 NPT

FS4-3DS FLOW SWITCH 1 NPT

MCDONNELL & MILLER:114642
SKU: MCDONNELL & MILLER:114642
$0.00
Product Availability: Out of stock
Picture of FS4-3J_FLOW SWITCH_1 BSTP OEM

FS4-3J_FLOW SWITCH_1 BSTP OEM

MCDONNELL & MILLER:172830
SKU: MCDONNELL & MILLER:172830
$223.10
Product Availability: Out of stock
Picture of FS4-3S_1" NPT, SPDT Switch, General Purpose Liquid Flow Switch with Stainless Steel Body for up to 160 PSI Max Pressure with 1", 2", 3", and 6" Stainless Steel Paddles (Part Number 114641)
Picture of FS4-3SJ FLOW SWITCH 1 BSPT

FS4-3SJ FLOW SWITCH 1 BSPT

MCDONNELL & MILLER:176216
SKU: MCDONNELL & MILLER:176216
$0.00
Product Availability: Out of stock
Picture of FS4-3SJ_FLOW SW_1 BSTP OEM

FS4-3SJ_FLOW SW_1 BSTP OEM

MCDONNELL & MILLER:172836
SKU: MCDONNELL & MILLER:172836
$0.00
Product Availability: Out of stock