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Weil McLain 383-500-777 Heat Exchanger Kit 299/310/399

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Special Price $1,372.84 Regular Price $1,523.85
In stock
SKU
383-500-777

The Weil McLain 383-500-777 Heat Exchanger Kit 299/310/399 is a key component in HVAC systems, designed for use with Weil McLain boilers from the 299, 310, and 399 series. This kit is essential to the heat transfer mechanism because it makes it easier for combustion gasses to convert thermal energy to steam or water. Operating inside the designated boiler types, it ensures effective heat transfer, promoting system performance at its best. HVAC specialists prefer it because of its compatibility, ease of installation, and ability to maintain consistent and reliable heating. For both residential and commercial settings, the Weil McLain 383-500-777 Heat Exchanger Kit provides a reliable and efficient way to meet heating needs while maintaining comfort and energy efficiency.

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HVAC Furnace Parts, Heat Exchanger
Manufacturer:
https://www.partshnc.com/media/catalog/product/3/8/383-500-777_weil-mclain_partshnc.png
Manufacturer Name: Weil McLain
Product Number: 383-500-777
OEM Part Number: 383-500-777
Product Description: Heat Exchanger Kit 299/310/399
Weight:153lbs/69399.58g

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Product Questions (2)
Customer Questions
What maintenance is required for the Weil McLain 383-500-777 Heat Exchanger Kit?

Inspect and clean heat exchanger kit removing scale and debris and checking gasket integrity and water flow. Regular maintenance ensures efficient heat transfer and prevents operational issues. Always shut off power and allow cooling before servicing for safety.

What are common issues with the Weil McLain 383-500-777 Heat Exchanger Kit?

  • Scaling buildup reducing heat transfer efficiency.
  • Gasket leaks causing water loss or pressure drops.
  • Corrosion or cracks in heat exchanger surfaces.
  • Restricted flow or uneven heating performance.
  • Blockage formation in passages affecting circulation.

Installation Steps

Step 1: Turn off power and gas supply, allow unit to fully cool before servicing.

Step 2: Drain system and remove access panels carefully using proper tools.

Step 3: Disconnect old heat exchanger, labeling connections and inspecting gaskets.

Step 4: Install new exchanger with supplied seals, torque fasteners to manufacturer specification.

Step 5: Reconnect piping, refill system, check for leaks, restore power and test operation safely.