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InterNACHI Inspection Image Gallery
HVAC
Heating
Heating Home Inspection Images
Grounding the Gas Piping
Hartford Loop
Heat Exchanger
Heat Exchanger
Heat Exchanger
Heat Exchanger
Heat Exchanger Heat Flow
Heat Exchanger Heat Flow
Heat Pump: Heating Cycle
Heat Transfer
High and Low Returns (Winter)
High Temperature Limit Switch
High Temperature Limit Switch
Horizontal Gas Fired Furnace
Horizontal Gas Fired Furnace
Horizontal Gas-Fired Furnace
Horizontal Gas-fired Furnace
Hot Surface Ignition
HVAC Venting Temination Clearances
Inadequate Air Flow Between Rooms
Induced Draft
Induced Draft Fan
Induced Draft Fan
Induced Draft Fan
Inspecting an oil burner.
Intermittent Pilot Light
Internal Draft Diverter
Mechanical Appliance Access
Metal Flues
Metal Flues
Metal Flues
Natural Draft
Natural Draft
Oil Burner
Oil Burner with Flame Retention Head
Oil Burner with Flame Retention Head
Oil Tank Leakage Points
Oil Tank Leakage Points
Oil Tanks - Areas of Leakage
Oil Tanks - Areas of Leakage
One Pipe System
One Pipe System
One Pipe System
One Pipe System
Pressure Reducing and Pressure Relief Valves
Pressure Reducing and Pressure Relief Valves
Pressure Reducing Valve
Pressure Reducing Valve
Pressure Reducing Valve
Pressure Relief Valve
Propane Tank Replacement Guidelines
Pulse Furnace Heat Exchanger
Pulse Furnace Heat Exchanger Components
Radiant Tubing in Concrete
Refractory Fire Pot
Refractory/Fire Pot
Refractory/Fire Pot
Refractory/fire pot.
Safety Devices for a High-Efficiency Furnace
Safety Devices for a High-Efficiency Furnace
Safety Devices for a High-Efficiency Furnace
Safety Devices for a High-Efficiency Furnace.
Sealed Pump
Series Loop
Series Loop
Series Loop
Series loop.
Shrinkage Cracks with Radiant Tubing
Size of Vent Connector
Tankless Coil
Tankless Coil
Teflon Tape
Teflon Tape at Connections
Temperature and Pressure Gauge
Temperature Pressure Gauge
Thermal Conduction
Thermal Conduction
Tube Heater
Two Pipe System
Two Pipe System
Two-Pipe System (Direct Return)
Two-Pipe System (Direct Return)
Typical Supply and Return Register Locations
Typical Supply and Return Register Locations
Typical Supply and Return Register Locations
Typical Supply and Return Register Locations
Unit/Hanging Furnace
Upflow Gas Furnace
Upflow Gas Furnace
Upflow Gas Furnace
Upflow Gas Furnace
VAV Box
VAV Box (Heating or Cooling Coils)
Vent Clearances to Combustibles
Vent Clearances to Combustibles
Vent Connector Size
Vent Connector Slope
Vent Connector Slope
Vent Connector Slope
Vent Connector Slope
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