As an OEM blocked inlet air pressure switch

while the universal design facilitates rapid field installation

the 41W49 provides the consistent startup and running amperage (0

causing the system to lockout to prevent unsafe operation or inaccurate modulation

York S1-025-29125-000 Terminal Block 319852-301 As an OEM blocked inletThe York S1 025 29125 000 Terminal Block serves as a critical junction for high voltage and control circuit wiring within York, Luxaire, and Coleman air handlers and furnaces. As a genuine Johnson Controls furnace component, this HVAC terminal block is engineered to maintain secure electrical terminations, effectively preventing high resistance heat build up that frequently results in charred insulation or intermittent signal failure in the field.