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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Napco Time Delay Fan Relay 2 DPST, Switch, 24 V, 24A34-6, 33233, NS106
$25.13⚡ Time Delay Fan Relay | 2 DPST | 24V | NS106 Restore proper HVAC blower operation with this brand‑new Time Delay Fan Relay (NS106). Designed for universal HVAC applications, this relay features a 2 DPST switch configuration and operates at 24V...NS106$25.13 -
Robertshaw Thermopile, 250 MV - 750 MV, 36" Leads, 1951-001
$37.62Robertshaw 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, this thermopile provides the necessary millivolt...1951-001$37.62 -
Napco Time Delay Fan Relay DPST Switch, 24 V, B1256504, NS103
$9.75Brand new, Napco Time Delay Fan Relay DPST Switch, 24 V, B1256504, NS103. On: 1-24, Off: 45-110.Replaces Part Numbers: GS103, Q103, TD-12, 24A34-3, 33244Fits Models:NS103$9.75Qty in Cart: 0Quantity:Price:$9.75Subtotal: -
Napco Time Delay Fan Relay DPST Switch, 24 V, 24A34-4, 33245, NS104
$16.46Time 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 voltage, this relay is engineered for dependable...NS104$16.46 -
Thermopile & Adapter, 250 MV-750 MV 60" Leads, 1950-001, 1950-003
$65.3360" Thermopile | 250mV–750mV Output | Replaces 1950-001 & 1950-003 Ensure reliable pilot ignition and millivolt system performance with this brand-new 60-inch thermopile, designed to replace Robertshaw 1950-001 and 1950-003. Ideal for gas...1950-003$65.33 -
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 Thermocouple, designed for natural gas (NG) vent‑free heaters, gas...104285-01$72.47 -
Power Start Kit, Increases Compressor Starting Torque, SPP6, HS650, WSX-6, SPP6
$12.23Brand new, refrigeration powerstart assist kit, SPP6. 115 Volt through 277 Volt current and the compressor is between 1/2 HP through 10 HP. Single phase Air/Heat pump application.Replaces Part Numbers: SPP6, HS650, WSX-6Fits Models: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 39" single wire thermocouple, part 181975. Designed...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"), designed as a direct replacement for part number ...110186-01$24.90Qty in Cart: 0Quantity:Price:$24.90Subtotal: -
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 contactor. Built to meet U.L. Bulletin No. 508...C240A$10.79 -
Single Wire NG Pilot ODS Assembly, Thermocouple, 12", 103042-01
$68.1312" 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 Thermocouple, designed for natural gas (NG) vent‑free...103042-01$68.13 -
Napco Fan Relay, 1 DPST, 24 Volt, Q115, 24A52-1, NS246
$10.25Brand new, Napco Sequencer Staged 1 DPST, 24 Volts, NS246. On: 1-60, Off: 1-45.Replaces Part Numbers: Q115, 24A52-1, 3120A3771, 6000E0M, 33246Fits Models:NS246$10.25