Weil McLain 383-500-773 Heat Exchanger Replacement Kit for Ultra Series - 80 1-4

The Weil McLain 383-500-773 is a genuine OEM heat exchanger replacement kit designed specifically for Ultra 80 gas-fired boilers, Series 1-4. This comprehensive replacement kit restores optimal performance and efficiency to your Weil McLain Ultra boiler system.

Complete Replacement Kit Includes:

• Cast aluminum heat exchanger with nano-coating for corrosion resistance
• Electrode assembly for reliable ignition
• Water temperature sensors for accurate system monitoring
• Compression fittings for secure connections
• Condensate drain fitting
• Gaskets and all necessary mounting hardware

Key Features:

• Designed for Ultra 80 boilers (80,000 BTU input) with cast aluminum heat exchanger construction
• Compatible with both natural gas and LP applications
• Replaces previous part numbers 383-500-612, 383-500-670, and 383-500-671
• Engineered for use in low-temperature condensing applications
• Professional installation required by qualified HVAC technician

This heat exchanger kit is essential for maintaining the high-efficiency operation of your Weil McLain Ultra 80 boiler, ensuring reliable heat transfer and extending the life of your heating system. Installation must be performed by a licensed professional following manufacturer guidelines and all applicable codes.