
Guardian (by York / Johnson Controls) RH4 Series 2 ton, 14.3 SEER2 heat pump condensing unit, 208/230V single-phase, R-454B. A2L refrigerant detection system with mitigation board, high/low pressure switches, galvanized cabinet. (CFM lists it as 2-stage; manufacturer documents this RH4 model as single-stage.)
Breaker sizing (MCA / max overcurrent), line set connection sizes and unit dimensions.