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MINNIE MOUSE LANE
PORTAGE, IN 46368
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- Cooling Parts
- Heating Parts Service
- brass fittings-Heating Parts Service
- Commercial Burner Controls
- Control Boards-Heating Parts Service
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- electric heat parts
- electrical service
- fan and limit controls
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- gaskets
- heat exchangers
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- OEM Parts-Heating Parts Service
- pressure switches-Heating Parts Service
- relays-Heating Parts Service
- Specialty Controls
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- Thermocouples
- Transformers
- venting materials
- Motor Accessories
- Motors
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- Motors-Controls
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- Installation
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Z7_GHK6HJC0OG6S20Q8HU3K6R0Q22
PA404A1033/U PRESSURETROL
Item #:
71201
Manufacturer Item: PA404A1033/U
Manufacturer:
RESIDEO-ADEMCO
1/4" FPT, 0.25 to 12 VDC 0.25 A, 0.5 to 9 PSI Operating/1 to 5 PSI Differential, SPST, Diaphragm, Additive Differential, Pressuretrol Controller
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
Steam Controls
Application
Safety Control for Steam Heating Boiler
Approval
UL, CSA
Connection Type
1/4 Inch Female Threaded
Contact Configuration
SPST
Contact Rating
0.25 Amp at 0.25 to 12 Volt DC, 8.3 Amp (Resistive
Differential Pressure Rating
1 to 5 PSI
Operating Pressure Rating
0.5 to 9 PSI
Operator Type
Diaphragm
Pressure Media
Steam
Type
Additive Differential