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The Goodman 0130M00074 is a genuine OEM high-pressure cut-off switch designed as a direct replacement for the Goodman WPH4330AHAB packaged unit. This refrigerant-side safety switch opens the control circuit when discharge pressure climbs too high — protecting the compressor from damage due to a dirty condenser coil, overcharge, or failed fan. A faulty switch causes nuisance trips or, worse, no protection at all.
Aftermarket pressure switches often use different trip/reset set points and fitting types. An incorrect cut-out pressure either nuisance-trips the system or fails to protect the compressor. This genuine Goodman switch is factory-calibrated to the correct pressure thresholds for safe, reliable protection.
Moderate. Most versions thread onto a Schrader-style port for a no-recovery swap; brazed-in styles require refrigerant recovery and EPA certification. Plan 20–45 minutes. Disconnect power and confirm system pressures before servicing.