McDonnell & Miller (a Xylem brand)

McDonnell & Miller FS5 piston flow switch

• Brass body
• ¾" or 1" BSPT or NPT
• Stainless steel body 1" NPT
• Single or dual switch
• Adjustable alarm set-point
• Stocked models include: FS5-¾ (p/n: 114760), FS5-D-1 (p/n: 114783), FS5-DS-1 (p/n: 114793), FS5-J-1 (p/n: 114785), FS5-J-¾ (p/n: 114765), FS5-S-1 (p/n: 114795)

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McDonnell & Miller FS1 low flow, inline, diaphragm flow switch

• Adjustable alarm set-point
• Brass body
• R½" (BSPT) or NPT thread.
• Unique diaphragm principle
• Compact size
• Stocked models include: FS1-J (p/n: 113550)

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McDonnell & Miller FS1-W low flow, inline, diaphragm flow switch with weatherproof enclosure

• Adjustable alarm set-point
• Brass body
• ½" NPT thread.
• Unique diaphragm principle
• Compact size
• NEMA 4X (~IP65) type housing
• Stocked models include: FS1-W (p/n: 113601)

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McDonnell & Miller FS6 low flow, inline, diaphragm flow switch

• General purpose applications
• Very low flows detected
• Brass bodies
• Process connection: ¾" or 1" BSPT or NPT female thread
• Adjustable sensitivity
• Stocked models include: FS6-1 (p/n: 115600), FS6-J-1 (p/n: 115650), FS6-J-¾ (p/n: 115550)

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McDonnell & Miller FS6-W low flow, inline, diaphragm flow switch with weatherproof enclosure

• General purpose applications
• Very low flows detected
• Brass bodies
• Process connection: ¾" or 1" BSPT or NPT female thread
• Adjustable sensitivity
• Enclosure: NEMA 4X (>IP65) type housing
• Stocked models incude: FS6-W-1 (p/n: 115652), FS6-WJ-1 (p/n: 115654), FS6-WJ-¾ (p/n: 115653)

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McDonnell & Miller FS4-3T inline paddle flow switch with tee piece

• Brass body
• ¾" & 1" NPT thread
• Low, medium & high flow types
• Adjustable "flow" setting
• Eliminates pipe tee

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McDonnell & Miller FS-8 weatherproof paddle flow switch

• Brass body
• Supplied paddles (316SS): 1, 2, 3 & 6"
• Output: SPDT microswitch, mains rated (120»240Vac)
• Adjustable range: refer manual for flow setting vs pipe size & paddle length
• Process connection: R1" (BSPT) & 1" NPT
• Pipe sizes: 1" & larger
• Temperature: 0 » 107°C
• Pressure: up to 11bar
• Stocked models include: FS8-W (p/n: 120601) & FS8-WJ (p/n: 120602)

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McDonnell & Miller FS7-4 industrial paddle flow switch

• Brass or stainless steel body
• R1¼" (BSPT) tapered thread fitting
• For pipes 1¼" and larger
• Adjustable "flow" adjustment
• General purpose housing
• 3.7A/240VAC or pneumatic
• Stocked models include: FS7-4J (p/n: 120060), FS7-4S (p/n: 120160), FS7-4SDJ (p/n: 120174) & FS7-4SJ (p/n: 120171)

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McDonnell & Miller FS4-3 general purpose paddle flow switch

• Brass or stainless steel body
• Supplied paddles (316SS): 1, 2, 3 & 6"
• Output: SPDT microswitch, mains rated (120»240Vac)
• Adjustable range: refer manual for flow setting vs pipe size & paddle length
• Process connection: R1" (BSPT) & 1" NPT
• Pipe sizes: 1" & larger
• Temperature: up to 149°C
• Pressure: up to 11bar
• Stocked models include: FS4-3J (p/n: 114610), FS4-3S (p/n: 114641), FS4-3SJ (p/n: 176216)
• Some FS4-3T models with integral tee piece also available ex. stock

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McDonnell & Miller FS7-4W industrial, weatherproof paddle flow switch

• NEMA 4X (~IP65) housing
• Brass or stainless steel body
• High pressure ratings
• Reliable paddle type
• Stocked models include: FS7-4SW (p/n: 120191), FS7-4SWJ (p/n: 120197), FS7-4W (p/n: 120201) & FS7-4WJ (p/n: 120261)

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McDonnell & Miller AF1 paddle air flow switch

• General purpose air flow switch
• Brass, steel & aluminium wetted parts
• Output: SPDT microswitch, mains rated (120»240Vac)
• Adjustable range: refer manual for flow setting vs pipe size & paddle length
• Process connection: flat flange for duct mounting
• Duct sizes: 6 » 8"
• Temperature: 0 » 149°C
• Stocked parts: AF1, AF1-S
• Paddle repair kits also available ex. stock

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McDonnell & Miller AFE-1 hazardous area air flow switch

• Hazardous area air flow switch
• Brass, steel & aluminium wetted parts
• Output: SPDT microswitch, mains rated (120»240Vac)
• Adjustable range: refer manual for flow setting vs pipe size & paddle length
• Process connection: flat flange for duct mounting
• Duct sizes: 8" (203mm) & larger
• Temperature: 0 » 135°C
• Hazardous area approval: UL
• Stocked part
• Paddle repair kits also available ex. stock

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McDonnell & Miller AF2 paddle air flow switch

• Brass, steel & aluminium wetted parts
• Output: SPDT microswitch, mains rated (120»240Vac)
• Adjustable range: refer manual for flow setting vs pipe size & paddle length
• Process connection: flat flange for duct mounting
• Duct sizes: 8" (203mm) & larger
• Temperature: 0 » 149°C
• Stocked part
• Paddle repair kits also available ex. stock

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McDonnell & Miller AF3 paddle air flow switch

• Brass, steel & aluminium wetted parts
• Output: SPDT microswitch, mains rated (120»240Vac)
• Adjustable range: refer manual for flow setting vs pipe size & paddle length
• Process connection: flat flange for duct mounting
• Duct sizes: 8" (203mm) & larger
• Temperature: 0 » 135°C
• Stocked part
• Paddle repair kits also available ex. stock

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McDonnell & Miller FS7-4E hazardous area industrial paddle flow switch

• NEMA 4X (~IP65) housing
• Brass or stainless steel body
• High pressure ratings
• Reliable paddle type
• Approval: UL & CSA certified for use in Ex d (explosion proof) applications
  • NOTE: products do not carry IEC Ex certificates
• Output: SPDT microswitch, mains rated (120»240Vac)
• Adjustable range: refer manual for flow setting vs pipe size & paddle length
• Process connection: 1¼" NPT taper thread fitting
• Temperature: 0 » 149°C
• Stocked models include: 
• Models for import: 

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McDonnell & Miller (Xylem) Series 69 low water cut-off

• Series 69 & 69J low water cut-off for boilers
• Stocked item

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McDonnell & Miller (Xylem) Series 150S low water cut-off

• Series 150S low water cut-off for boilers
  • 150PSI
• Stocked item

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McDonnell & Miller (Xylem) Series 157S low water cut-off

• Series 157S low water cut-off & pump controller for boilers
  • 150PSI
• Contact us for stock & lead-time

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McDonnell & Miller (Xylem) Series 93 low water cut-off & pump controller

• Series 93 low water cut-off & pump control for boilers
  • 150PSI
• Stocked item

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McDonnell & Miller (Xylem) Series 94 low water cut-off & pump controller

• Series 94 (high pressure) low water cut-off & pump controller for boilers
  • 250PSI
• Stocked item

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