The internal pressure switch monitors the vapor line and cycles the outdoor fan to keep head pressure within a safe range during mild outdoor heating demands

increasing safety during HVAC troubleshooting

Use a multimeter to verify if the AS-58386-91 has infinite resistance (open circuit) or a short to ground

and TT3-001 models

resisting wear from vibration and thermal cycling

Itron-Actaris 762650 Spring 326070-701 The internal pressure switch monitorsThe Itron Actaris 762650 is a high performance adjustment spring engineered specifically for the B42 Series gas pressure regulators. Designed for light commercial and residential applications, this yellow black spring provides a precise outlet pressure range of 1 2 PSIG. As a veteran technician knows, maintaining the calibration of a B42 regulator requires exact spring tension to ensure the 6: 1 lever ratio and molded diaphragm function within peak