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Common Questions What is the primary function of the 30067857-107 Packing Nut
ensuring a secure connection to the control module
Contractor-Friendly Design: Includes two 120 Vac grounded outlets and internal high-voltage wiring compartments for faster site commissioning
different assembly part numbers are required
Does this probe require PTFE tape for installation
Weil McLain 383-600-091 Valve R-407A Common Questions What is theThe Weil McLain 383 600 091 is a high performance ASME Pressure Relief Valve specifically engineered for hydronic heating systems. Designed to protect the primary heat exchanger from over pressurization, this valve is factory calibrated to relieve at 30 PSIG. It features a robust 3 4" NPT female inlet and is the standard safety component for Weil McLain EG series boilers and other compatible hydronic units. When system pressure exceeds safe operating