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Ready-to-Install: Includes the pilot tube
Thermal Safety: Built-in automatic overload protection prevents winding failure during restricted airflow conditions
The McDonnell & Miller 93-HD Pump Controller (Part Number 162400) is a heavy-duty combination low water cut-off and pump controller engineered specifically for commercial and industrial steam boiler systems
Professional installation is required to ensure proper alignment and static pressure settings for HVAC ventilation systems
maintaining system integrity while ensuring HVAC security
Lochinvar & A.O. Smith 100189393 Valve 321142-301 Ready-to-Install: Includes the pilot tubeThe Lochinvar & A. O. Smith 100189393 Gas Valve Kit is a critical OEM replacement component designed for high performance FTX400 series heating boilers and AQUAS Low NOx indoor indirect pool heaters. This dual fuel gas valve is engineered to regulate fuel input for both natural gas and liquid propane systems, ensuring precise combustion and optimal thermal efficiency. Built to meet the rigorous demands of commercial and residential hydronic