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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J400, single switch output with internal hex screw adjustment, Models 440-449)
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

Buna-N diaphragm and O-Ring with aluminum 1/4” NPT (female) pressure connection and cap; Models 448, 450, 16156 & 452 have stainless steel pressure connection and cap
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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J400, single switch output with internal hex screw adjustment, Models 450-454)
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

Buna-N diaphragm and O-Ring with aluminum 1/4” NPT (female) pressure connection and cap; Models 448, 450, 16156 & 452 have stainless steel pressure connection and cap
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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J402, dual switch output with internal hex screw adjustment, Models 126-164)
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

Brass bellows with nickel-plated brass 1/4” NPT (female) pressure connection; Models 126 and 134 have zinc-plated steel spring exposed to media
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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J402, dual switch output with internal hex screw adjustment, Models 270-274)
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

Phosphor bronze bellows with nickel-plated brass 1/4” NPT (female) pressure connection
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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J402, dual switch output with internal hex screw adjustment, Models 356-376)
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

Welded 316L stainless steel bellows and 1/4” NPT (female) pressure connection
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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J402, dual switch output with internal hex screw adjustment, Models 440-449)
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

Buna-N diaphragm and O-Ring with aluminum 1/4” NPT (female) pressure connection and cap; Models 448, 450, 16156 & 452 have stainless steel pressure connection and cap
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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J400, single switch output with internal hex screw adjustment, Models 450-454)
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

Buna-N diaphragm and O-Ring with aluminum 1/4” NPT (female) pressure connection and cap; Models 448, 450, 16156 & 452 have stainless steel pressure connection and cap
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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J402, dual switch output with internal hex screw adjustment, Models 520-525)
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

Buna-N diaphragm and O-Ring with epoxy coated aluminum 1/2” NPT (female) pressure connection, large 0.72” orifice for clean-out purposes. Other wetted materials available, see pg. 12; Option M449 recommended
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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J402, dual switch output with internal hex screw adjustment, Models 530-535 )
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

Welded 316L stainless steel diaphragm and 1/2” NPT (female) pressure connection, large 0.72” orifice for clean-out purposes; Option M449 recommended
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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J402, dual switch output with internal hex screw adjustment, Models 550-555 )
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

Teflon® diaphragm and Viton® O-Ring with 316L stainless steel 1/4” NPT (female) pressure connection and cap

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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J402, dual switch output with internal hex screw adjustment, Models 570-572 )
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

316L stainless steel diaphragm and Viton® O-Ring with 316L stainless steel 1/4" NPT (female) pressure connection
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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J402, dual switch output with internal hex screw adjustment, Models 610-616 )
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

303 stainless steel piston with Buna-N O-Ring and 303 stainless steel 1/4” NPT (female) pressure connection (not recommended for gas service since drying of the O-Ring seal can allow bleeding of medium into the atmosphere)
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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J402, dual switch output with internal hex screw adjustment, Models S126B-S164B)
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

Welded 316L stainless steel bellows and 1/2” NPT (female) pressure connection
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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J403, triple switch output with internal hex screw adjustment, Models 126-164 )
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

Brass bellows with nickel-plated brass 1/4” NPT (female) pressure connection; Models 126 and 134 have zinc-plated steel spring exposed to media
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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J403, triple switch output with internal hex screw adjustment, Models 270-274 )
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

Phosphor bronze bellows with nickel-plated brass 1/4” NPT (female) pressure connection
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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J403, triple switch output with internal hex screw adjustment, Models 356-376 )
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

Welded 316L stainless steel bellows and 1/4” NPT (female) pressure connection
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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J403, triple switch output with internal hex screw adjustment, Models 550-555 )
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

Teflon® diaphragm and Viton® O-Ring with 316L stainless steel 1/4” NPT (female) pressure connection and cap

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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J403, triple switch output with internal hex screw adjustment, Models 570-572)
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

316L stainless steel diaphragm and Viton® O-Ring with 316L stainless steel 1/4" NPT (female) pressure connection
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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J403, triple switch output with internal hex screw adjustment, Models 610-616 )
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

303 stainless steel piston with Buna-N O-Ring and 303 stainless steel 1/4” NPT (female) pressure connection (not recommended for gas service since drying of the O-Ring seal can allow bleeding of medium into the atmosphere)
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UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J403, triple switch output with internal hex screw adjustment, Models S126B-S164B )
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.

Welded 316L stainless steel bellows and 1/2” NPT (female) pressure connection