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  • Dwyer DA-31-2-9 | 10/300# SPST Mercury | Dwyer Instruments
    DWYER
    Dwyer DA-31-2-9 | 10/300# SPST Mercury | Dwyer Instruments
    SKU: DA-31-2-9
    Product DescriptionThe Dwyer Instruments DA-31-2-9 is a 10/300# SPST mercury switch, effective for fluid level monitoring in a variety of settings. This product provides reliable liquid level sensing through its snap-action switch mechanism. Its durability is evident in the rugged construction, designed for long-term...
    $1,260.61
    $1,260.61
  • Dwyer DA-31-2-7 Brass Bourdon Tube SPST Pressure Switch 5-150 PsigDwyer DA-31-2-7 Brass Bourdon Tube SPST Pressure Switch 5-150 Psig
    DWYER
    Dwyer DA-31-2-7 Brass Bourdon Tube SPST Pressure Switch 5-150 Psig
    SKU: DA-31-2-7
    Product DescriptionThe Dwyer DA-31-2-7 model is a brass Bourdon tube SPST pressure switch designed to function optimally for pressure measurements ranging from 5 to 150 Psig. This unit is a perfect fit for a variety of HVAC and process monitoring applications, ensuring reliable performance...
    $1,099.23
    $1,099.23
  • Dwyer Instruments DA-31-2-1 1/8-15# OpenRiseMerc#SwitchDwyer Instruments DA-31-2-1 1/8-15# OpenRiseMerc#Switch
    DWYER
    Dwyer Instruments DA-31-2-1 1/8-15# OpenRiseMerc#Switch
    SKU: DA-31-2-1
    Product DescriptionThe Dwyer Instruments DA-31-2-1 is a pressure switch that operates between one eighth and fifteen psi. Designed for industrial use, this mercury-free switch features a brass body and Buna-N diaphragm that allow it to handle a variety of fluids. The switch is suitable...
    $1,143.02
    $1,143.02
  • Honeywell L404F1243 Pressuretrol Controller 5 psi to 50 psiHoneywell L404F1243 Pressuretrol Controller 5 psi to 50 psi
    HONEYWELL
    Honeywell L404F1243 Pressuretrol Controller 5 psi to 50 psi
    SKU: L404F1243
    Product DescriptionThe Honeywell L404F1243 Pressuretrol Controller is a robust device designed to provide operating control with automatic limit protection for pressure systems up to 300 psi. Ideal for use in various settings including those involving steam, air, and non-combustible gases. Adjustable pressure settings from...
    $232.25
    $232.25
  • Dwyer 1640-0 Floating Contact Null Switch
    DWYER
    Dwyer 1640-0 Floating Contact Null Switch
    SKU: 1640-0
    Product DescriptionThe Dwyer 1640-0 Floating Contact Null Switch is engineered for precise control of air pressure in HVAC systems. This switch utilizes a unique floating contact mechanism to ensure reliability and accuracy in monitoring pressure changes within ducts. Efficient SPDT switch accommodates a variety...
    $790.24
    $790.24
  • Dwyer 1640-2 Floating Contact Null Switch Adjustable 1.0 to 4.0 inches
    DWYER
    Dwyer 1640-2 Floating Contact Null Switch Adjustable 1.0 to 4.0 inches
    SKU: 1640-2
    Product DescriptionThe Dwyer 1640-2 Floating Contact Null Switch is designed for precise control of air and non-combustible, compatible gases within HVAC systems. This SPDT switch features a unique floating contact mechanism that is activated at two preset points, avoiding any switching action between these...
    $19.99
    $19.99
  • Dwyer 1638-1 Large Diaphragm Pressure Switch 0.20-1.0 w.c. Replacement 1638-1
    DWYER
    Dwyer 1638-1 Large Diaphragm Pressure Switch 0.20-1.0 w.c. Replacement 1638-1
    SKU: 1638-1
    Product DescriptionThe Dwyer 1638-1 Large Diaphragm Pressure Switch is designed for meticulous control in HVAC and industrial applications. This switch supports a range of 0.20 to 1.0 inches of water column. It is engineered to handle electrical loads up to 15 amps without requiring...
    $542.21
    $542.21
  • Honeywell L404F1375 Pressuretrol Controller 5 psi to 50 psi
    HONEYWELL
    Honeywell L404F1375 Pressuretrol Controller 5 psi to 50 psi
    SKU: L404F1375
    Product DescriptionThe Honeywell L404F1375 Pressuretrol Controller efficiently regulates pressure levels between 5 psi and 50 psi, making it a vital component in HVAC systems. This durable controller has a 1/4 inch NPT female connection and is equipped with a microswitch that activates on pressure...
    $218.69
    $218.69
  • Dwyer 1638-0 Large Diaphragm Pressure Switch with Visual Set Point AdjustmentDwyer 1638-0 Large Diaphragm Pressure Switch with Visual Set Point Adjustment
    DWYER
    Dwyer 1638-0 Large Diaphragm Pressure Switch with Visual Set Point Adjustment
    SKU: 1638-0
    Product DescriptionThe Dwyer 1638-0 Large Diaphragm Pressure Switch provides reliable and accurate pressure measurements for a variety of applications. Designed with a visible set point indicator, it offers easy operation and troubleshooting. This model is UL and CSA listed, and FM approved for general...
    $547.94
    $547.94
  • Dwyer DA-31-153-6 Brass Bourdon Tube Pressure Switch SPDT
    DWYER
    Dwyer DA-31-153-6 Brass Bourdon Tube Pressure Switch SPDT
    SKU: DA-31-153-6
    Product DescriptionDwyer's DA-31-153-6 is a robust Brass Bourdon Tube Pressure Switch designed to accommodate a range of 5 to 100 psig. It offers precise control with a minimal deadband, ideal for various industrial applications. Adjustable dual external settings for setting high and low-pressure points...
    $1,099.23
    $1,099.23
  • Dwyer AP-153-39 Diaphragm Operated Pressure Switch SPDT Mercury 10-125 PSIG
    DWYER
    Dwyer AP-153-39 Diaphragm Operated Pressure Switch SPDT Mercury 10-125 PSIG
    SKU: AP-153-39
    Product DescriptionThis Dwyer Diaphragm Operated Pressure Switch, model AP-153-39, is designed for instrument air and other low pressure applications. It offers reliable operation with a visible set point and convenient external adjustment. Ideal for air, non-corrosive gas, or liquid service compatible with wetted parts,...
    $21.99
    $21.99
  • Honeywell L404V1087 Pressuretrol Controller 10-150 psi SPSTHoneywell L404V1087 Pressuretrol Controller 10-150 psi SPST
    HONEYWELL
    Honeywell L404V1087 Pressuretrol Controller 10-150 psi SPST
    SKU: L404V1087
    Product DescriptionThe Honeywell L404V1087 is a reliable pressuretrol controller designed for use on oil burner systems. This controller helps manage oil pressure for optimal burner operation. It features a control range from 10 to 150 psi, making it suitable for a wide range of...
    $411.86
    $411.86
  • Honeywell L404F1219 Pressuretrol Controller 2-15 psiHoneywell L404F1219 Pressuretrol Controller 2-15 psi
    HONEYWELL
    Honeywell L404F1219 Pressuretrol Controller 2-15 psi
    SKU: L404F1219
    Product DescriptionThe Honeywell L404F1219 Pressuretrol Controller is ideal for regulating pressure in a variety of systems. Featuring an adjustable range of 2-15 psi with a 2-6 psi differential, this controller is suitable for steam, air, and noncombustible gases. Its SPDT snap-acting switch ensures reliable...
    $19.99
    $19.99
  • Honeywell L408J1033 Vaporstat SPST 0-4 psiHoneywell L408J1033 Vaporstat SPST 0-4 psi
    HONEYWELL
    Honeywell L408J1033 Vaporstat SPST 0-4 psi
    SKU: L408J1033
    Product DescriptionThe Honeywell L408J1033 Vaporstat is designed for precise pressure control in industrial applications. This SPST pressure switch, operating in the range of 0-4 psi, offers reliable operation and environmental safety. SPST design with 0-4 psi pressure range Mercury-free for safer use Durable and...
    $323.59
    $323.59
  • Honeywell L4079B1058 Mercury Free Pressuretrol Controller 5-50 PSI Manual ResetHoneywell L4079B1058 Mercury Free Pressuretrol Controller 5-50 PSI Manual Reset
    HONEYWELL
    Honeywell L4079B1058 Mercury Free Pressuretrol Controller 5-50 PSI Manual Reset
    SKU: L4079B1058
    Product DescriptionThe Honeywell L4079B1058 is a mercury-free pressuretrol controller designed for industrial applications. This controller manages high-pressure limits with an operating range of 5-50 PSI. It is ideal for systems that require precise pressure control. Mercury-free design Manual reset feature Breaks on pressure rise...
    $257.09
    $257.09
  • Honeywell L404F1409 PressureTrol Controller 2-15 PSI 120/240VACHoneywell L404F1409 PressureTrol Controller 2-15 PSI 120/240VAC
    HONEYWELL
    Honeywell L404F1409 PressureTrol Controller 2-15 PSI 120/240VAC
    SKU: L404F1409
    Product DescriptionThe Honeywell L404F1409 PressureTrol Controller is designed to provide precise pressure control in a variety of applications. Ideal for systems requiring pressure limits between 2 and 15 PSI, this controller is equipped with a microswitch that activates on pressure rise, ensuring reliable operation....
    $200.68
    $200.68
  • Honeywell L404T1063 Pressuretrol 10-150 PSI Oil ApplicationsHoneywell L404T1063 Pressuretrol 10-150 PSI Oil Applications
    HONEYWELL
    Honeywell L404T1063 Pressuretrol 10-150 PSI Oil Applications
    SKU: L404T1063
    Product DescriptionThe Honeywell Pressuretrol L404T1063 is a reliable pressure switch designed for use with oil burner systems. This single-pole, single-throw (SPST) switch features an automatic reset and a pressure range of 10-150 PSI. Ideal for heavy oil applications, this pressuretrol is mercury-free and has...
    $380.07
    $380.07
  • Honeywell L404V1095 Pressuretrol Controller 5-50 PSIHoneywell L404V1095 Pressuretrol Controller 5-50 PSI
    HONEYWELL
    Honeywell L404V1095 Pressuretrol Controller 5-50 PSI
    SKU: L404V1095
    Product DescriptionThe Honeywell L404V1095 Pressuretrol Controller is a vital component designed for regulating oil burner system pressures between 5 and 50 PSI, ensuring optimal operation. The device incorporates a switch mechanism that activates on pressure fall, catering to both light and heavy oil types....
    $362.44
    $362.44
  • Honeywell PA404B1023 Pressuretrol Controller Pressure Rise 20 psi SPST 0.5-9 psi Differential 24/120/240/277V
    HONEYWELL
    Honeywell PA404B1023 Pressuretrol Controller Pressure Rise 20 psi SPST 0.5-9 psi Differential 24/120/240/277V
    SKU: PA404B1023
    Product DescriptionThe Honeywell PA404B1023 Pressuretrol Controller is designed to manage pressure settings for heating systems. This controller makes the circuit at a set point when pressure rises, ensuring system efficiency and safety. Manages pressure for heating systems SPST snap-acting switch Adjustable settings for optimal...
    $237.52
    $237.52
  • Honeywell PA404A1033 Pressuretrol Controller Steam Boilers Safety ControlHoneywell PA404A1033 Pressuretrol Controller Steam Boilers Safety Control
    HONEYWELL
    Honeywell PA404A1033 Pressuretrol Controller Steam Boilers Safety Control
    SKU: PA404A1033
    Product DescriptionThe Honeywell PA404A1033 Pressuretrol Controller is a critical component for managing steam pressure within boiler systems, ensuring operational safety and reliability. This robust brass controller operates within a pressure range of 0.5 to 9 psi, equipped with an SPST micro snap-acting switch for...
    $229.89
    $229.89

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