Description
Raypak H000078 Control Low Pressure Switch
Protect your heat pump’s most valuable component with the Raypak H000078 Low Pressure Switch. This genuine OEM safety device is designed to monitor refrigerant levels and instantly shut down the system if pressure drops too low, preventing catastrophic damage to your compressor.
Whether you’re dealing with a “Low Pressure” fault code or a total system lockout, this precision-engineered switch is the direct replacement needed to restore your heater’s safety protocols and performance.
Key Performance Features
- Compressor Protection: Automatically cuts power to the contactor if refrigerant pressure falls below safe operating levels.
- OEM Precision: Engineered by Raypak to match the exact factory calibration of your 2350–8350 series heat pump.
- Durable Construction: Features high-quality brass threading and heavy-duty wire leads for long-term reliability in outdoor environments.
- Direct Fitment: Designed for a “plug-and-play” installation for both professional technicians and experienced DIYers.
Compatible Heat Pump Models
- Raypak Models: 2350, 3350, 4350, 4350Ti, 5350, 6350, 8350.
- Rheem Models: Cross-compatible with equivalent Rheem-branded pool heat pumps.
Technical Specifications
- Part Number: H000078 (replaces Rhp 4350Ti series switches).
- Connection: Brass threaded male fitting.
- Type: Low Pressure Safety Cutoff.









