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Product Specifications:
| Item | Pressure Sensing Switch |
| Application | Air Filtration, Commercial Hvac, Furnace Control, Humidity Detection And Control, Residential Hvac |
| Contact Form | SPDT |
| Depth | 3 1/4" |
| Differential (in. Wc) | 0.02 to 0.8 |
| Differential Pressure | 0.02 in. wc to 0.8 in. wc |
| Electrical Connection Type | Screw Terminals |
| Electrical Rating | 1A Pilot Duty @ 120 VA, 5A @ 120 to 277V AC, 5A @ 28V DC |
| Electrical Rating | 300 VA Pilot Duty at 115 to 277 VAC, 15 amps Noninductive to 277 VAC |
| For Pressure Type | Positive, Negative, Differential |
| Function | Senses Positive, Negative Or Differential Air Pressure |
| Height | 6 1/8" |
| Housing Material | Stainless Steel |
| Housing Type | Conduit Box |
| Includes | Adjustment Tool, Mounting Hardware |
| Max. Pressure Rating | 0.5 psi |
| Maximum Operating Temperature | 190°F |
| Minimum Operating Temperature | -40°F |
| Mounting Hole Center To Center Distance | 3 7/8" |
| Mounting Holes O.c. | 3-7/8 In. |
| Mounting Holes O.c. | 3 7/8" |
| Mounting Location | Vertical |
| Mounting Orientation | Vertical |
| Number Of Switches | 1 |
| Operating Temp. Range | -40°F to +180°F |
| Overall Depth | 3 1/4" |
| Overall Height | 6 1/8" |
| Overall Width | 3 3/8" |
| Pressure Set Point | 0.05 in. wc to 12 in. wc |
| Pressure Setpoint Type | Adjustable |
| Pressure Setting Range | 0.05 to 12.0 In. WC |
| Pressure Setting Range | 0.05 in. wc to 12 in. wc |
| Pressure Type | Differential, Negative, Positive |
| Product Type | Air Pressure Switch |
| Reset Type | Automatic Reset |
| Sample Line Connection | 1/8" Integral Compression, 1/4" Integral Compression, 3/8" Integral Compression |
| Sample Line Connection Size | 1/8", 1/4", 3/8" |
| Sample Line Connector | Integral Compression |
| Sample Line Connector Type | Integral Compression |
| Switch Voltage | 120/277V AC/28V DC |
| Switching Differential | 0.02 in. wc to 0.8 in. wc |
| Type | General Purpose/HVAC |
| Type Of Set Point | Adjustable |
| Width | 3 11/32" |
Shipping Info:
| Ship weight (kg) | 0.54 |
| Ship height (cm) | 9.65 |
| Ship length (cm) | 17.02 |
| Ship width (cm) | 12.19 |
| HS code | 9026204000 |
| Country of Origin | US |
Product Variants
| Product | Model | Height | Depth | Pressure Setting Range | Mounting Holes O.c. | Differential Pressure | Mounting Orientation | Mounting Location | Sample Line Connection Size | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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2374-495 | 4" | 2 1/8" | 0.25 in. wc to 1 in. wc | 3 3/4" | - | Vertical | Vertical | 1/8", 1/4", 3/8" | €60.59 | |
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2374-498 | 4" | 2 1/8" | 1 in. wc to 4 in. wc | 3 3/4" | - | Vertical | Vertical | 1/8", 1/4", 3/8" | €61.41 | |
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2374-500 | 6 1/8" | 3 1/4" | 0.05 in. wc to 12 in. wc | 3 7/8" | 0.02 in. wc to 0.8 in. wc | Vertical | Vertical | 1/8", 1/4", 3/8" | €97.75 | |
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2374-502 | 5 13/16" | 2 7/8" | 0.05 in. wc to 12 in. wc | 3 7/8" | 0.02 in. wc to 0.8 in. wc | Vertical | Vertical | 1/8", 1/4", 3/8" | €66.40 | |
![]() |
2374-503 | 6 1/8" | 3 1/4" | 0.05 in. wc to 12 in. wc | 3 7/8" | 0.02 in. wc to 0.8 in. wc | Vertical | Vertical | 1/8", 1/4", 3/8" | €91.14 | |
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2374-504 | 6 1/8" | 3 1/4" | 0.4 in. wc to 12 in. wc | 3 9/16" | 0.06 in. wc to 0.8 in. wc | Vertical | Vertical | - | €101.08 | |
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2374-506 | 6 1/8" | 3 1/4" | 0.05 in. wc | 2 15/16" | - | Vertical | Vertical | 1/8", 1/4", 3/8" | €59.31 |
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ROBERTSHAW 2374-499 Pressure Sensing Switch .05-12
€72.77 /unit
