the 221455A is the current

Engineered for precision in demanding HVACR environments

What causes a drain trap like the 1171917 to fail

this fixed-setting temperature control features a 250°F fixed open temperature and a 225°F fixed close temperature

The Fetco 1071

York S1-024-35271-000 Pressure Switch the 221455A is the currentThe York S1 024 35271 000 Pressure Switch is a critical safety component designed for precise HVAC airflow monitoring in residential and light commercial equipment. This genuine York OEM part features a single pole, normally open (SPNO) contact configuration, engineered specifically for a close on fall switching action. Bench rated at 0. 5" WC, this switch ensures that your inducer motor or blower is generating the necessary static pressure before