Description
The Weil McLain 383-600-287 Condensate Neutralizer Kit is a genuine OEM replacement accessory designed to protect residential and light commercial drain systems from the corrosive acidic condensate produced by high-efficiency condensing boilers. As modern condensing boilers achieve efficiencies above 90%, they generate acidic condensate with a low pH that can damage drain lines, plumbing, and municipal sewer systems. This neutralizer kit raises the pH of the condensate to safe, code-compliant levels before it exits the system.
Key Features
- Genuine Weil McLain OEM part — engineered for precise fit and performance
- Neutralizes acidic condensate to protect drain lines and plumbing infrastructure
- Helps meet local plumbing codes requiring condensate neutralization
- Designed for use with Weil McLain high-efficiency condensing boilers
- Easy installation with minimal maintenance requirements
- Extends the service life of drain systems by preventing acid corrosion
Why Condensate Neutralization Matters
High-efficiency condensing boilers extract maximum heat from combustion gases, causing water vapor in the flue gas to condense. This condensate is mildly acidic — typically with a pH between 2.9 and 4.5 — and can corrode metal drain pipes and harm biological wastewater treatment systems. The Weil McLain 383-600-287 Condensate Neutralizer Kit uses a media (typically limestone granules or calcium carbonate) to raise the condensate pH to a neutral, safe level before discharge.
Compatible Applications
- Weil McLain high-efficiency condensing gas boilers
- Residential and light commercial hydronic heating systems
- New installations and retrofit applications requiring condensate treatment
Product Details
- Brand: Weil McLain
- Part Number / SKU: 383-600-287
- Type: Condensate Neutralizer Kit
- Application: High-efficiency condensing boilers







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