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the 100188879 is specifically sized for the FTX400 Knight XL series
What is the purpose of the 15% bleed on this model
OEM Compatibility: Replaces obsolete parts 0131M00272S and 0131M00113S without the need for mounting modifications
this valve is a versatile choice for HVACR contractors requiring reliable refrigerant flow control
high-efficiency solution for field repairs
Armstrong Fluid Technology 182212-670 Pump 322838-752 the 100188879 is specifically sizedThe Armstrong Fluid Technology 182212 670 Pump is a premier E33. 2B circulator pump engineered for peak performance in large scale residential and light commercial hydronic systems. This high efficiency circulator features a robust lead free bronze body, making it an ideal choice for potable water, radiant heating, and geothermal applications. Operating at 120Vac with a 2 5HP single phase motor, the unit delivers a powerful 3300 RPM to handle a