The unit utilizes an integrated manifold with four separate 1/4 inch brass hose barbs

maintaining stable operation in temperatures from -20 to 150°F

the unit operates reliably between -40°F and 185°F

preventing water hammer and thermal shock

It is essential to verify your target setpoint falls within this band before installation

York S1-373-20055-004 Wiring Harness 321894-709 The unit utilizes an integratedThe York S1 373 20055 004 Wiring Harness is a critical OEM replacement part engineered for precise integration within industrial and commercial HVAC systems. As a Main Wiring Harness, this component facilitates essential electrical communication and power distribution between the control board and peripheral system devices. Designed for durability in high demand environments, the S1 373 20055 004 features heavy duty insulation and high grade