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
- Qty in Cart
- Quantity
- Price
- Subtotal
-
Time Delay Break, Supco Compressor Protector TD68
$11.67⏱️ Supco Time Delay on Make Timer | TD68 Brand new Supco TD68 Time Delay on Make Timer designed for compressor protection and controlled system startup. This adjustable DOM relay prevents...TD68$11.67Qty in Cart: 0Quantity:Price:$11.67Subtotal: -
Time Delay Break, Supco Compressor Protector TD73
$10.26⏱️ Supco Delay‑on‑Break Timer | TD73 | Adjustable 6 Seconds to 5 Minutes Brand new Supco TD73 Delay‑on‑Break Timer (DOB). This adjustable time‑delay module prevents rapid compressor...TD73$10.26Qty in Cart: 0Quantity:Price:$10.26Subtotal: -
Napco Sequencer Staged, 2 SPST, 24 Volt, TD-09, 24A52-101, NS212S
$10.47⚡ 2‑Stage SPST Heat Sequencer | Napco NS212S | 24 Volt Brand new Napco NS212S staged 2‑SPST heat sequencer designed for electric furnace and heat pump air‑handler applications. Controls the timed...ELE-NS212S$10.47 -
Napco Fan Relay SPST Switch, 24 Volt, 24A34-1, 33241, NS101
$9.08⚡ 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...ELE-NS101$9.08Qty in Cart: 0Quantity:Price:$9.08Subtotal: -
Furnace Flame Sensor, 1/4" Quick Disconnect, FLS52W29
$11.63Furnace Flame Sensor | FLS52W29 | 1/4" Quick Disconnect Maintain safe and reliable furnace ignition with this brand‑new Furnace Flame Sensor (FLS52W29). Designed for dependable flame detection,...FLS52W29$11.63 -
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...FLS51M14$14.12 -
Mini Nitride Hot Surface Igniter for Domestic Furnaces, SSN21
$42.75SSN21 Mini Nitride Hot Surface Igniter | 95V | OEM‑Compatible Brand new SSN21 Mini Nitride Hot Surface Igniter engineered for domestic furnaces. Designed for fast ignition and long service life,...SSN21$42.75 -
Furnace Thermostat Auto Reset, 1/4" Terminal 300°F Cut-Out / 250°F Cut-In 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...SLS300$6.57 -
Furnace Thermostat Auto Reset, 1/4" Terminal 150°F Cut-Out / 110°F Cut-In 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...SLS150$6.38 -
Furnace Thermostat Auto Reset, 1/4" Terminal 140°F Cut-Out / 100°F Cut-In SLS140
$5.74Furnace 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...SLS140$5.74 -
Furnace Thermostat Auto Reset, 1/4" Terminal 160°F Cut-Out / 120°F Cut-In 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...SLS160$6.72 -
Furnace Thermostat Auto Reset, 1/4" Terminal 170°F Cut-Out / 130°F Cut-In SLS170
$6.72Furnace Thermostat | SLS170 | Auto Reset | 170°F Cut-Out / 130°F Cut-In Maintain safe and efficient heating system operation with this brand-new SLS170 auto reset furnace thermostat. Designed...SLS170$6.72