Smith and Lochinvar parts network for the original TST2900 controller

The York 024-35922-000 Pressure Sensor (also identified as S1-02435922000) is a high-precision HVAC pressure transducer engineered for reliable performance in residential and commercial climate systems

this model is specifically wound for 24VDC coil voltage

While you must never use a capacitor with a lower voltage rating than the original

Engineered with a dual SPDT switch configuration

Honeywell 14004068-001 Mounting 30067439-890 Smith and Lochinvar parts networkHoneywell 14004068 001 Mounting Hardware, Dual Mounting for 2 Pneumatic Thermostats 14004068 001 is identical to 14004068 001 U