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Furnace Pressure Switch PS-LA13

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product category: Air,Gas Pressure Switch
Model: PS-LA13
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Furnace Pressure Switch PS-LA13

Furnace Pressure Switch PS-LA13 offers the same proven compression spring and precision snap action electrical switch as the other popular and widely used pressure switches. It is designed with compact body, which specially meets the current small size appliances. It is specifically used to yield narrow pressure differentials (the difference between ON and OFF set points) as well as to hold tight set point tolerances throughout a wide temperature range.

Typical applications include detecting blockage in gas combustion system appliances
(furnaces, fireplaces, commercial cooking appliances, water heaters, boilers, process
dryers, etc.); detecting condensate drain blockage and fluid build up; draft inducer
verification; proving fan operation; proving a blocked filter with change in differential
pressure; monitoring static pressure; sensing increase/decrease in system pressure;
proving air across heating elements; detecting ice buildup in cooling coils; managing
air in VAV systems; detecting web breaks on printing, coating or other web processes.

1. Standard Features
     *Low pressure sensitivity.
     *Set point range from 25Pa (0.10 wc) to 1250Pa (5.0” wc)
     *Pressure differentials offer three types of 15 Pa, 25 Pa, and 35 Pa for selection (other
       pressure differential on customers’ demands).
     *Integrated sampling line connectors for 1/4” inside diameter (ID) tubing.
     *Sampling line connectors can be positioned by 45 degrees increments.
     *Integrated screw bosses for mounting.
     *Separated precision snap action switch is the electrical switching element.
     *Integrated bleed holes.
2. Optional Features
     * Bar-code labeling on customers’ demands.
     * Multiple types mounting brackets for customers’ selection.
     *Sampling line connectors can be positioned on flat surface or the standard perimeter
       locations.
     *Gold contacts for low electrical loads.

SPDT, SPST electrical loads:	1(0.5)A @ 125/250 VAC -- (CE)
SPDT, SPST electrical loads:	0.1A resistive @ 24 VDC (Gold contacts) -- (CE)
Switching circuits	SPDT, SPST-NO, SPST-NC
Electrical terminals:	#187 (3/16”) 4.8x0.5 mm quick connect
Electrical terminals:	#250 (1/4”) 6.3x0.8 mm quick connect
Set points Tolerance:	+/-5 Pa min., +/-8 Pa standard
Overpressure rating:	3.0 kPa (1/2psi).
Ambient temperature range	-25 + 85℃
Sampling line connector:	H(+) = Positive, L(-) = Negative 6.6 mm OD for use with 3/16” or 1/4” ID tubing; other size OD on customers demands.
Sampling Medium	Air or combusted products.
Dimensions	For typical dimensions
Mounting Orientation	Diaphragm must be vertical (Horizontal optional).
Materials:	Diaphragm: Post-cured silicone, RTI>150 deg C.
	Pressure housing: Thermo-plastics with RTI>130
	Snap action switch housing: Thermo-plastics with RTI>120 deg C, UL94-V0.
Product Life:	Mechanical: 1,000,000 cycles.
Product Life:	Electrical: 250,000 cycles.
Approvals	CE, CQC

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Furnace Pressure Switch PS-LA13

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