York 2NH04501506 Electric Heater Els PW 29614 this 8 ton TXV provides the this 8 ton TXV provides the reliability contractors need for large scale HVAC R installations where maintaining system equilibrium under varying load conditions is critical for compressor protection High Flow Performance: Delivers approximately 20 gpm at 50 psi and up to 31 gpm at 100 psi The 2NH04501506 York heater is constructed with a corrosion resistant galvanized steel housing and includes integrated circuit breakers for overcurrent protection this 15kW unit provides supplemental thermal lift during primary heat pump defrost cycles or as an emergency heat source in sub zero ambient conditions