HVAC-Furnace Parts

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.

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  • Napco Time Delay Fan Relay 2 DPST, Switch, 24 V, 24A34-6, 33233, NS106 Napco Time Delay Fan Relay 2 DPST, Switch, 24 V, 24A34-6, 33233, NS106

    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
    Qty in Cart: 0
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    $25.13
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  • Robertshaw Thermopile, 250 MV - 750 MV, 36" Leads, 1951-001 Robertshaw Thermopile, 250 MV - 750 MV, 36" Leads, 1951-001

    Robertshaw Thermopile, 250 MV - 750 MV, 36" Leads, 1951-001

    $37.62
    Robertshaw 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
    Qty in Cart: 0
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    $37.62
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  • Napco Time Delay Fan Relay DPST Switch, 24 V, 24A34-4, 33245, NS104 Napco Time Delay Fan Relay DPST Switch, 24 V, 24A34-4, 33245, NS104

    Napco Time Delay Fan Relay DPST Switch, 24 V, 24A34-4, 33245, NS104

    $16.46
    Time 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
    Qty in Cart: 0
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    $16.46
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  • Thermopile & Adapter, 250 MV-750 MV 60" Leads, 1950-001, 1950-003 Thermopile & Adapter, 250 MV-750 MV 60" Leads, 1950-001, 1950-003

    Thermopile & Adapter, 250 MV-750 MV 60" Leads, 1950-001, 1950-003

    $65.33
    60" 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
    Qty in Cart: 0
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    $65.33
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  • 1-Wire NG Gas Pilot ODS Assembly, Thermocouple, 34", 104285-01 1-Wire NG Gas Pilot ODS Assembly, Thermocouple, 34", 104285-01

    1-Wire NG Gas Pilot ODS Assembly, Thermocouple, 34", 104285-01

    $72.47
    34" 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
    Qty in Cart: 0
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  • Power Start Kit, Increases Compressor Starting Torque, SPP6, HS650, WSX-6, SPP6

    Power Start Kit, Increases Compressor Starting Torque, SPP6, HS650, WSX-6, SPP6

    $12.23
    Brand 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
    Qty in Cart: 0
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    $12.23
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  • Single Wire Metric Thread Thermocouple, ODS, 39" , 181975 Single Wire Metric Thread Thermocouple, ODS, 39" , 181975

    Single Wire Metric Thread Thermocouple, ODS, 39" , 181975

    $12.75
    Thermocouple | 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
    Qty in Cart: 0
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    $12.75
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  • Single Wire NG Pilot ODS Assembly, Thermocouple, 12", 103042-01 Single Wire NG Pilot ODS Assembly, Thermocouple, 12", 103042-01

    Single Wire NG Pilot ODS Assembly, Thermocouple, 12", 103042-01

    $68.13
    12" 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
    Qty in Cart: 0
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    $68.13
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  • Napco Fan Relay, 1 DPST, 24 Volt, Q115, 24A52-1, NS246 Napco Fan Relay, 1 DPST, 24 Volt, Q115, 24A52-1, NS246

    Napco Fan Relay, 1 DPST, 24 Volt, Q115, 24A52-1, NS246

    $10.25
    Brand 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
    Qty in Cart: 0
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    $10.25
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  • 2-Wire (120630-02) LP Gas Pilot ODS Assembly, Thermocouple, 32", ODSLPA 2-Wire (120630-02) LP Gas Pilot ODS Assembly, Thermocouple, 32", ODSLPA

    2-Wire (120630-02) LP Gas Pilot ODS Assembly, Thermocouple, 32", ODSLPA

    $70.14
    Brand new, 32" 2-wire (120630-02) ODS pilot assembly thermocouple, LP, ODSLPA. For use with vent free heaters, gas logs, fireplaces and stoves. Includes thermocouple, electrode, and pilot bracket. Uses the 2 wire thermocouple. Thermocouple and electrode...
    ODSLPA
    $70.14
    Qty in Cart: 0
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    $70.14
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  • Run Capacitor, Oval, 25 Mfd., 370 Volt, CR25X370

    Run Capacitor, Oval, 25 Mfd., 370 Volt, CR25X370

    $3.54
    Brand new oval run capacitor, CR25X370 Features/Benefits Type two Non-PCB biodegradable synthetic oil Physical Interrupter for Safety MFD Tolerance +/- 5% Drawn Steel Case Construction Quad Blade Quick Connect Terminals Operating...
    CR25X370
    $3.54
    Qty in Cart: 0
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    $3.54
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  • Flame Sensor replaces York, Luxaire, Tempstar, 02527773700

    Flame Sensor replaces York, Luxaire, Tempstar, 02527773700

    $10.29
    Furnace Flame Sensor Replacement for York® / Luxaire® / Coleman® | Part #02527773700 Restore safe ignition and reliable heating performance with this brand-new furnace flame sensor, compatible with a wide range of York®, Luxaire®,...
    ER02527773700
    $10.29
    Qty in Cart: 0
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    $10.29
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