and R1234yf

this PCB (Printed Circuit Board) functions as the central nervous system of the indoor unit

High Temperature Resistance: Features Class H insulation to withstand the thermal demands of heavy-steam or hot-liquid applications

Key Benefits for Contractors Optimized for R134a: Specifically calibrated for the pressure-temperature characteristics of R134a refrigerant to ensure accurate superheat regulation

Leak Prevention: Engineered to provide a secure

Fireye FGPS-GMH-0120 Switch 328140-751 and R1234yfThe Fireye FGPS GMH 0120 is a heavy duty manual reset high pressure switch designed for critical monitoring of air, LP gas, or natural gas pressures in industrial combustion systems. Featuring a calibrated range of 1 to 20 inches water column, this diaphragm operated switch ensures precise setpoint accuracy for safety interlocking. The NEMA 4 rated enclosure provides superior protection against water ingress and dust, making it suitable for demanding