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Bard HVAC 8406-142BX High-Pressure Switch 650/520 PSI

Special Price $39.19 Regular Price $50.94
Out of stock
SKU
8406-142BX
The Bard HVAC 8406-142BX High-Pressure Switch is safety part is essential for the proper functioning of the HVAC systems. This measures the pressure of the refrigerant inside system and turns off the compressor when the pressure is too high. The pressure limit 650 PSI and the low pressure limit is 520 PSI. This avoids the pressure build-up that may cause harm to the compressor and other parts of the system. Thus, the high-pressure switch contributes to the increased reliability of the system, prevents potential damages, and ensures the longevity of your HVAC equipment.
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Specifications

  • Type: High-Pressure Switch
  • Pressure Range: 650/520 PSI
Manufacturer Name: Bard HVAC
Product Number: 8406-142BX
OEM Part Number: 8406-142BX
Product Description: 650/520# High Pressure Switch
Weight:0.4lbs/181.44g

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Customer Questions
What maintenance is required for the Bard HVAC 8406-142BX High-Pressure Switch?

Inspect the high-pressure switch wiring and connections regularly for corrosion, loose terminals, or damage. Keep condenser coils clean and ensure proper ventilation around the HVAC unit. Disconnect power before performing inspections or electrical servicing.

What are common issues with the Bard HVAC 8406-142BX High-Pressure Switch?

  • Frequent high-pressure shutdowns from restricted airflow.
  • Faulty switch contacts causing intermittent operation.
  • Wiring failures or loose electrical connections.
  • False pressure readings from clogged system components.

Installation Steps

Step 1: Turn off HVAC power and isolate electrical supply; confirm system pressure is fully relieved for safety. Wear PPE gloves.

Step 2: Remove old switch, carefully label wiring connections.

Step 3: Install new switch onto pressure port and tighten fittings securely.

Step 4: Reconnect wiring as per diagram and ensure tight connections.

Step 5: Restore power, run system, and verify cut-out at correct pressures; check for leaks.