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Modine 5H78034-10 Vacuum Pressure Switch - TLP

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Special Price $146.61 Regular Price $168.61
In stock
SKU
5H78034-10
The Modine 5H78034-10 Vacuum-Pressure Switch TLP is a component used in Modine unit heaters and other heating equipment. This switch monitors and regulates vacuum pressure to make sure proper airflow and combustion is safe. It functions by sensing pressure changes and alerts the system to work safely within limits to avoid overheating or wrong ignition. It is ideally suited for use in gas fired unit heaters to optimize air and gas flow and improves system efficiency and reliability. Precise performance and durable construction of its extending equipment longevity and lowering maintenance needs, while increasing overall operational safety in commercial and industrial heating applications.
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HVAC Controls & Electrical, Switches, Pressure Switches
Manufacturer:
https://www.partshnc.com/media/catalog/product/5/h/5h78034-10_modine_partshnc.jpg

Specifications

  • Type: Vacuum Pressure
  • Series: TLP
Manufacturer Name: Modine
Product Number: 5H78034-10
OEM Part Number: 5H78034-10
Product Description: Vacuum Pressure Switch - Tlp
Weight:1lbs/453.59g

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Product Questions (2)
Customer Questions
What maintenance is required for the Modine 5H78034-10 Vacuum Pressure Switch?

Regularly inspect the switch for dust, debris, and corrosion. Test functionality periodically to ensure accurate pressure readings. Tighten connections and check wiring for wear. Always disconnect power before servicing to prevent electrical hazards.

What are common issues with the Modine 5H78034-10 Vacuum Pressure Switch?

  • Switch fails to activate or responds inconsistently.
  • Inaccurate or fluctuating pressure readings.
  • Corroded or damaged terminals.
  • Mechanical sticking or slow response.

Installation Steps

Step 1: Shut off power to the system and verify it is de-energized.

Step 2: Remove the existing vacuum pressure switch, noting tubing and wiring connections.

Step 3: Install the new switch in the correct orientation, connecting the vacuum lines securely.

Step 4: Reconnect wiring according to the system’s wiring diagram.

Step 5: Ensure all connections are tight and free of leaks.

Step 6: Restore power and test the switch for proper operation under normal vacuum conditions.