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Optimized for hydronic boiler feed applications
This unit is typically configured with a fixed orifice (
Automatic Reset Logic: Safely restarts the heating circuit once the temperature drops to the 160°F threshold
Visual Diagnostics: Includes a clear ON-OFF indicator for immediate status verification by service technicians
the 383-500-020 is specifically designed for Weil McLain Ultra Series 1 and Series 2 units
Daikin-McQuay 300042215 Motor Protector 321142-301 Optimized for hydronic boiler feedThe Daikin McQuay 300042215 Motor Protector is a critical electronic safety component engineered specifically for 20 30HP compressor protection. This module, which is a direct cross reference and identical to part 071 0684 00, monitors internal winding temperatures to prevent localized overheating and catastrophic motor failure. Designed for high tonnage HVAC applications, it utilizes precise thermistor based monitoring to ensure the compressor
