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Pressuretrol Controller w/ Subtractive: 1 psi to 5 psi Differential Pressure, PA404A1025
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$253.69 each
In Stock
Get 8 Tue, Jun 16
Order by today, receive Tuesday
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Product Highlights
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Makes at set point minus differential on pressure fall, Breaks at set point on pressure rise
50 MAX PSI
3 PSI
150°F Max Temp
Description
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Overview:
The PA404 is a series 40 (2-wire, SPST) pressuretrol controller for use in 24, 120, 240 or 277 volt control circuits or in self powered (millivoltage) applications. Features:
The PA404 is a series 40 (2-wire, SPST) pressuretrol controller for use in 24, 120, 240 or 277 volt control circuits or in self powered (millivoltage) applications. Features:
- 3-15 Psi Adjustable Pressure Range
- The PA404A is a pressure actuated high limit, safety control for steam heating boilers; it breaks an electrical circuit to shut down the burner if steam pressure rises above a safe level.
- The PA404B is used with suspension-type unit heaters to make the fan circuit when a pressure rise indicates the presence of steam.
- Each model contains an SPST MICRO SWITCH snap-acting switch.
- Sensitive pressure-actuated diaphragm expands or contracts with pressure variations, moving a lever mechanism which operates the snap switch.
- A screw on top of the case allows set point adjustment without removing the cover.
- Differential is adjusted by means of a dial located inside the case.
Specs
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| Switch Action: | Makes at set point minus differential on pressure fall Breaks at set point on pressure rise |
|---|---|
| Pressure Range: | 3 to 15 psi |
| Max Pressure (PSI): | 50 |
| Min Pressure (PSI): | 3 |
| Pressure Differential: | 1 Psi to 5 Psi |
| Max Temp (F): | 150°F |
| Min Pressure Differential (PSI): | 1 |
| Max Pressure Differential (PSI): | 5 |
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