How to Test Pressure Switch on a Furnace. In this video I show 3 ways how to check a pressure switch. The first method is to measure continuity and resistance while the furnace is running. The second method is to check voltage on the pressure switch while the furnace is running, and the third method is to put a manometer in series with the pressure switch to see what vacuum pressure the inducer motor is pulling and if it matches/exceeds the rating of the pressure switch.
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➡️ Video Reference:
10 Reasons Why Pressure Switch Wont Close:
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For More Repair Videos:
🔌 Dryer Repair Playlist:
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🧺 Washer Repair Playlist:
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🔥 Furnace Repair Playlist:
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❄️ AC Repair Playlist:
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💧 Water Heater Playlist:
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🛠️ HVAC Tools Playlist:
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🔋 Capacitor Playlist:
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🛒 Furnace Parts Reference:

Furnace Filters 6 Pack:
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FM55 Motor Bracket:
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409 Hot Surface Ignitor:
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402 Hot Surface Ignitor:
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Universal Nitride Ignitor Kit:
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Universal Nitride Ignitor:
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Flame Sensor:
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1/4 HP Blower Motor:
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1/3 HP Blower Motor:
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1/2 HP Blower Motor:
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3/4 HP Blower Motor:
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5 uF Oval Capacitor:
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7.5 uF Oval Capacitor:
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10 uF Oval Capacitor:
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15 uF Oval Capacitor:
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Carrier 80% Inducer Motor Kit:
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Carrier 90% Inducer Motor Assembly:
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Goodman 80% Inducer Motor:
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Goodman 90% Inducer Motor:
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Trane 80% Inducer Motor:
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Trane 90% Inducer Motor:
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3" Hi-Limit Switch:
[ Ссылка ]
Small Hi-Limit Switch:
[ Ссылка ]
Honeywell Gas Valve:
[ Ссылка ]
Round Digital Non-Programmable Thermostat:
[ Ссылка ]
Basic Honeywell Programmable Thermostat:
[ Ссылка ]
Nest Thermostat:
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🛒 For a Complete List of Tools and Parts Visit my Amazon Page:
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Sony A6300 16-50mm:
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Extra Batteries:
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Memory Card (2):
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60" Tripod:
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Bird-Eye View Tripod:
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Rode VideoMicro Microphone:
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Rode Wireless Go Microphone:
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Neewer Halo Light (2):
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Viltrox LED Light Panel:
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⚠️ Disclaimer:
This video is for educational purposes. All appliance and HVAC repair work should be done by a trained professional. Word of Advice TV is not responsible for any possible damages or injuries caused by the use or misuse of the provided information.
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