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Sherry AbbottSep 13, 2025
What to do if my Hayward Heater displays 'Blower Vacuum Switch closed'?
- LlewislauraSep 13, 2025
If your Hayward Heater displays 'Blower Vacuum Switch closed', check the blower vacuum switch for issues.
What to do if my Hayward Heater displays 'Blower Vacuum Switch closed'?
If your Hayward Heater displays 'Blower Vacuum Switch closed', check the blower vacuum switch for issues.
General| Model | H150FDP |
|---|---|
| Category | Heater |
| BTU Output | 150, 000 BTU |
| Heat Exchanger Material | Cupro Nickel |
| Efficiency | 82% |
| Fuel Type | Propane |
Warning about shock, burn, injury, or death from hazardous voltage.
List of diagnostic codes and their meanings.
Step-by-step guide to diagnose no power issues.
Diagnosing and resolving open FC1 or F2 fuses.
Diagnosing and resolving open FC3 or F1 fuses.
Diagnosing and resolving open FC4 fuse.
Steps to resolve the 'BD' diagnostic code.
