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HTP 7855P-262 Air Pressure Switch

Special Price $49.20 Regular Price $63.95
In stock
SKU
7855P-262
The HTP 7855P-262 Air Pressure Switch is used to verify airflow and venting conditions before and during equipment operation. It detects changes in air pressure and electrical contact status to support protective control operations within HVAC systems. It connects to the pressure tubing and control wiring to continuously monitor operating conditions throughout the equipment cycle. Its sensing capability assists proper airflow verification, supports responsive safety controls, and contributes to dependable operation of associated combustion and venting components.
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Customer Questions
What maintenance is required for the HTP 7855P-262 Air Pressure Switch?

Regularly inspect the switch and tubing for blockages, dust, or moisture. Ensure electrical connections are secure and clean. Test the switch periodically to verify proper operation and any worn or damaged components promptly.

What are common issues with the HTP 7855P-262 Air Pressure Switch?

  • Inaccurate or fluctuating pressure readings.
  • Switch failing to activate or deactivate.
  • Blocked or cracked tubing affecting airflow.
  • Electrical connection corrosion or looseness.

Installation Steps

Step 1: Turn off power to the HVAC system to prevent electrical hazards.

Step 2: Remove the access panel to locate the existing air pressure switch.

Step 3: Disconnect tubing and wiring from the old switch, noting positions.

Step 4: Unscrew and carefully remove the old switch from its mount.

Step 5: Install the new air pressure switch, securing it and reconnecting tubing and wiring.

Step 6: Replace the panel, restore power, and test system airflow to ensure proper operation.