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Pressuretrol Pressure Controller 1 to 5 psi Differential
HONEYWELL PA404A-1033 RANGE .5 TO 9PSI (.1 TO .6KG/CM2) WITHOUT LUGS TRADELINE
Single Pressure Controls
}
Pressuretrol Pressure Controller 1 to 5 psi Differential
688107
MFG #: PA404A-1033
Product ID:688107
Famous Supply
- Color: Gray
- Dimensions: 4-15/32 in H x 3-3/8 in W x 2-1/4 in D
- Finish: Enamel
- Control Range: 0.5 to 9 psi
- Switch Type: SPST
- Switch Action: Snap Acting Electronic
- Differential Pressure Range: 1 to 5 psi
The PA404 is a series 40 (2-wire, SPST) pressure controller for use in 24, 120, 240 or 277 volt control circuits or in self powered (millivoltage) applications.
- Features
- Standards & Approvals
| 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 microns 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 adjustments without removing the cover |
| Differential is adjusted by means of a dial located inside the case |
| CSA File No LR1620 |
| Guide No MBPR |
| UL File No MP466 |