Weil McLain 381-354-535 Conversion Kit 326070-701 Durable Construction: High-grade lead-free bronze

Durable Construction: High-grade lead-free bronze body with a fabric-reinforced diaphragm ensures compatibility with potable water systems

simplifying manifold pressure calibration during commissioning

This single groove sheave is designed to work with standard 4L

Optimized System Efficiency: Maintains precise refrigerant metering to ensure the evaporator coil operates at peak capacity without overfeeding

Weil McLain 381-354-535 Conversion Kit 326070-701 Durable Construction: High-grade lead-free bronzeThe Weil McLain 381 354 535 is a performance critical natural gas high altitude conversion kit designed to calibrate combustion parameters for hydronic systems operating in low oxygen environments. At elevations above 2,000 feet, reduced air density necessitates precise adjustments to the fuel to air ratio to prevent incomplete combustion and soot accumulation. This kit modifies the gas input and burner performance to ensure atmospheric or forced