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
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Robertshaw Thermopile, 250 MV - 750 MV, 36" Leads, 1951-001
$33.86Robertshaw 36" Thermopile | 250mV–750mV | 1951‑001 Ensure reliable pilot and burner operation with this brand‑new Robertshaw 36" Thermopile (1951‑001). Designed to generate between 250mV and 750mV,...1951-001$33.86 -
Napco Time Delay Fan Relay DPST Switch, 24 V, B1256504, NS103
$9.75⚡ Time Delay Fan Relay | DPST • 24V | B1256504 / NS103 Brand new Time Delay Fan Relay DPST Switch, part numbers B1256504 and NS103. This relay provides controlled fan operation with built‑in delay...NS103$9.75Qty in Cart: 0Quantity:Price:$9.75Subtotal: -
Napco Time Delay Fan Relay DPST Switch, 24 V, 24A34-4, 33245, NS104
$18.11Time Delay Fan Relay DPST Switch | 24V | NS104 Ensure proper blower fan sequencing in HVAC systems with this brand-new NS104 time delay fan relay. Featuring a DPST switch configuration and 24V coil...NS104$18.11Qty in Cart: 0Quantity:Price:$18.11Subtotal: -
Plastic 25' Tubing Icemaker & Evap Cooler Installation Kit, AP236870, PT25, QAK2
$15.84Icemaker, Humidifier & Evaporator Cooler Installation Kit | PT25 / QAK2 | 25 Ft Tubing + Fittings Brand new Universal Installation Kit for refrigerator icemakers, whole‑house humidifiers, and...QAK2$15.84 -
1-Wire NG Gas Pilot ODS Assembly, Thermocouple, 34", 104285-01
$72.4734" ODS Pilot Assembly Thermocouple | 1‑Wire | NG Gas | Replaces 104285‑01 Ensure safe, reliable ignition and flame monitoring with this brand-new 34" 1‑Wire ODS Pilot Assembly...104285-01$72.47 -
Power Start Kit, Increases Compressor Starting Torque, SPP6, HS650, WSX-6, SPP6
$12.23⚡ Refrigeration / A/C Hard Start Assist Kit | SUPCO® SPP6 | SUPER BOOST Brand new SUPCO SPP6 Refrigeration & Air Conditioning Hard Start Assist Kit. This solid‑state relay and start capacitor...SPP6$12.23 -
Single Wire Metric Thread Thermocouple, ODS, 39" , 181975
$12.75Thermocouple | 39" Single Wire | Metric Thread | ODS Style | Part 181975 Brand New – Replacement Thermocouple for Gas Heating Appliances Restore safe ignition and flame monitoring with this...181975$12.75 -
2-Wire with Clip Metric Threads ODS Thermocouple, 33", 110186-01
$24.902‑Wire ODS Thermocouple with Clip | 33" | Replaces 110186‑01 Ensure safe and reliable operation of your vent‑free heating appliance with this brand-new 2‑Wire ODS Thermocouple (33"),...110186-01$24.90 -
Definite Purpose Contactor, 2 Pole, 40 Amps, 24 Coil Voltage, C240A
$10.79âš¡ Definite Purpose Contactor | Model C240A | 2-Pole | 40A FLA | 24V Coil Ensure reliable switching performance in your HVAC or industrial control system with this brand-new C240A definite purpose...C240A$10.79 -
Single Wire NG Pilot ODS Assembly, Thermocouple, 12", 103042-01
$61.3212" ODS Pilot Assembly Thermocouple | Single‑Wire | NG Gas | Replaces 103042‑01 Maintain safe and reliable ignition performance with this brand-new 12" Single‑Wire ODS Pilot Assembly...103042-01$61.32 -
Napco Fan Relay, 1 DPST, 24 Volt, Q115, 24A52-1, NS246
$10.25⚡ Staged Sequencer | 1 DPST • 24V | Napco® NS246 Brand new staged sequencer, part number NS246. This 24‑volt heating sequencer features a 1 DPST switch configuration and provides timed staging for...NS246$10.25 -
Definite Purpose Contactor, 1 Pole, 30 Amps, 24 Coil Voltage, C130A
$8.84âš¡ Definite Purpose Contactor | Model C130A | 30 FLA / 40 RES | 24V Coil Ensure reliable control of your HVAC and industrial systems with this brand-new C130A definite purpose contactor. Designed for...C130A$8.84