HVAC-Furnace Parts
Professional HVAC & Furnace Replacement Parts for High-Efficiency Heating
Ensure your heating system operates at peak performance with our comprehensive inventory of professional-grade HVAC and furnace replacement parts. Whether you are performing critical winter repairs or proactive seasonal maintenance, Seneca River Trading provides the high-quality components needed to maintain consistent warmth and indoor comfort.
Shop our selection of heavy-duty blower motors, precision igniters, and reliable gas valves. We stock the essential "brains" of your system, including integrated furnace control boards and digital thermostats, alongside durable burners and heat exchangers. Our parts are engineered for compatibility with leading HVAC brands, helping you maximize energy efficiency, ensure system safety, and extend the operational life of your furnace. Find the dependable components you need to keep your home or commercial space warm and efficient all season long.
- Access Fittings
- Additional HVAC-Furnace Parts
- Air Conditioning Parts
- Blowers & Motors
- Capacitors
- Compressors
- Dehumidifier Parts
- Evaporator Cooler (Swamp Cooler) Parts
- Fan Blades
- Flame Sensors
- Humidifier Water Pads
- Igniters
- Relays & Contactors
- Space Heater Parts
- Thermocouples
- Thermostats
- Transformers
- Product
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Supco, TH198030, 30" Universal Snap Fit Thermocouple, 1980-030
$8.62Brand new Supco (TH198030) 30" universal snap fit thermocouple replaces part number 1980-030. Threaded nut included for easy burner installation. Resists heat blistering. Stainless steel outer jacket for long life. Manufactured for excellent conductivity...TH198030$8.62 -
Supco, TH198024, 24" Universal Snap Fit Thermocouple, 1980-024
$6.38Brand new Supco (TH198024) 24" universal snap fit thermocouple replaces part number 1980-024. Threaded nut included for easy burner installation. Resists heat blistering. Stainless steel outer jacket for long life. Manufactured for excellent conductivity...TH198024$6.38 -
__02842.1751563809.jpg?c=2 "Packard Combustion Air Booster 115V, 3315RPM, 60Hz, 65475, Coleman 373-19801-820")
__99846.1751563810.jpg?c=2 "Packard Combustion Air Booster 115V, 3315RPM, 60Hz, 65475, Coleman 373-19801-820")
Packard Combustion Air Booster 115V, 3315RPM, 60Hz, 65475, Coleman 373-19801-820
$59.44Packard Combustion Air Booster | 115V | 3315 RPM | Replaces Coleman 373-19801-820 & 373-19801-821 | Part #65475 Restore proper airflow and combustion efficiency with this brand-new Packard combustion air booster, part number 65475. Engineered for...65475$59.44 -
Time Delay Break, Supco Compressor Protector TD68
$9.00Brand new Supco time delay break, TD68. Delay on Make Timers (DOM), Adjustable time delay on make relay 6 seconds to 8 minutes, 1/4" male quick connect terminals. Cannot be used with a cooling anticipator.Replaces Part Numbers: 32391, ICM105,...TD68$9.00 -
Time Delay Break, Supco Compressor Protector TD73
$8.25Brand new Supco time delay break, TD73. Delay on Break Timer (DOB), Adjustable time delay on break 6 seconds to 5 minutes, 1/4" male quick connect terminals, Cut the jumper wire to use in 110/250 volts.Replaces Part Numbers: EAC426, ASC-500-ADB1,...TD73$8.25 -
Napco Fan Relay SPST Switch, 24 Volt, 24A34-1, 33241, NS101
$9.08âš¡ Napco Fan Relay SPST Switch | 24V | Part Number NS101 Ensure reliable fan control with this brand-new Napco Fan Relay SPST Switch. Operating at 24 volts, this OEM-style relay provides dependable switching for HVAC systems. With an ON range of...ELE-NS101$9.08 -
Furnace Flame Sensor, 2.5" Flange to Tip, FLS51M14
$14.12Furnace Flame Sensor | FLS51M14 | 2.5" Flange-to-Tip | 1/4" Quick Disconnect Restore reliable furnace ignition and flame detection with this brand-new FLS51M14 flame sensor. Designed for accurate flame monitoring, this sensor helps prevent ignition...FLS51M14$14.12 -
Mini Nitride Hot Surface Igniter for Domestic Furnaces, SSN21
$42.75SSN21 Mini Nitride Hot Surface Igniter – 95V for Domestic Furnaces Brand New – Fast Ignition, OEM-Compatible Replacement Restore reliable furnace ignition with this high-performance Mini Nitride Hot Surface Igniter. Engineered for domestic...SSN21$42.75 -
Furnace Thermostat with Auto Reset, 1/4" Terminal, SLS300
$6.57Furnace Thermostat | SLS300 | Auto Reset | 300°F Cut-Out / 250°F Cut-In Ensure high-limit thermal protection with this brand-new SLS300 auto reset furnace thermostat. Designed to cut out at 300°F and reset at 250°F, this compact 1/2" bimetal disc...SLS300$6.57 -
Furnace Thermostat with Auto Reset, 1/4" Terminal, SLS150
$6.38Furnace Thermostat | SLS150 | Auto Reset | 150°F Cut-Out / 110°F Cut-In Maintain safe and efficient heating system operation with this brand-new SLS150 auto reset furnace thermostat. Designed to cut out at 150°F and reset at 110°F, this compact...SLS150$6.38 -
Furnace Thermostat with Auto Reset, 1/4" Terminal, SLS140
$6.38Furnace Thermostat | SLS140 | Auto Reset | 140°F Cut-Out / 100°F Cut-In Maintain safe and efficient heating system operation with this brand-new SLS140 auto reset furnace thermostat. Designed to cut out at 140°F and reset at 100°F, this compact...SLS140$6.38 -
Furnace Thermostat with Auto Reset, 1/4" Terminal, SLS160
$6.72Furnace Thermostat | SLS160 | Auto Reset | 160°F Cut-Out / 120°F Cut-In Maintain safe and efficient heating system operation with this brand-new SLS160 auto reset furnace thermostat. Designed to cut out at 160°F and reset at 120°F, this compact...SLS160$6.72