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Changing the blade count or pitch will alter the motor's amp draw and airflow profile
To maintain peak efficiency
Industrial Durability: Constructed to withstand the high-temperature environment of the furnace burner compartment and the constant cycling of the inducer motor
preventing nuisance trips while providing robust protection against electrical overloads and short circuits
Hoffman Specialty 401485 Water Vent L99H008 Changing the blade count orThe Hoffman Specialty 401485, or Model 78 Water Main Vent Valve, is a high capacity automatic air vent designed for efficient air elimination in hydronic heating and cooling systems. Engineered for closed loop hydronic systems, this vent features a 3 4" NPT connection and is built to withstand a maximum pressure of 150 PSI. Its primary function is to purge air from water mains and large distribution lines, preventing air bound system issues that lead
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