Replacement HVAC Part

This is a direct replacement for Grundfos part number 96860172, designed for the MQ3-35 series self-priming pressure booster pump. Ideal for residential, agricultural, and garden applications, this unit delivers reliable on-demand water pressure boosting from tanks, wells with up to 25 feet of suction lift, and rainwater collection systems. The pump operates on 110-120 VAC, single phase, 60 Hz power at 8 amperes, making it compatible with standard residential electrical service. Rated at 3/4 HP (0.55 kW), the unit achieves a flow rate of 13.2 to 18 gallons per minute under normal operating conditions, with maximum capabilities reaching 22 gpm. The pump activates at flow rates exceeding 0.3 gpm, ensuring efficient demand-responsive operation. This booster pump delivers rated head pressures of 59.1 to 72.2 feet, with maximum head capability reaching approximately 115 feet. Maximum operating pressure is 109 psi, providing adequate pressure for most residential and light commercial applications. The self-priming design eliminates the need for manual priming, reducing installation time and maintenance requirements. Built for durability and consistent performance, the MQ3-35 series is engineered to handle the demands of continuous or intermittent duty cycles typical in pressure boosting applications. This replacement part ensures your system maintains optimal performance and meets the original equipment specifications. Suitable for homeowners, farmers, and contractors seeking a reliable pressure booster solution for water supply enhancement systems.