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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  • Foot Mount Transformer, 120/208/240V, Output 40V, PF42440 Foot Mount Transformer, 120/208/240V, Output 40V, PF42440

    Foot Mount Transformer, 120/208/240V, Output 40V, PF42440

    $16.95
    ⚡ Foot Mount Transformer | PF42440 | 40VA | 120/208/240V to 24V | Class II Ensure safe and reliable voltage conversion with this brand-new PF42440 foot mount transformer. Designed to meet U.L. Bulletin No. 508 “Industrial Control Equipment”...
    PF42440
    $16.95
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  • HVAC Air Pressure Sensing Switch Kit, 0.25" - 1.0" WC, 2374-495, RSS495011 HVAC Air Pressure Sensing Switch Kit, 0.25" - 1.0" WC, 2374-495, RSS495011

    HVAC Air Pressure Sensing Switch Kit, 0.25" - 1.0" WC, 2374-495, RSS495011

    $41.15
    HVAC Air Pressure Sensing Switch Kit | 2374-495 | RSS495011 Ensure reliable performance in your HVAC system with this brand-new adjustable air pressure sensing switch kit. Designed to replace a wide variety of air-sensing switches found in residential...
    2374-495
    $41.15
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  • Air Conditioner Knob for General Electric, AP3795597, PS962908, WP12X10002 Air Conditioner Knob for General Electric, AP3795597, PS962908, WP12X10002

    Air Conditioner Knob for General Electric, AP3795597, PS962908, WP12X10002

    Parts for General Electric

    $12.65
    ️ Air Conditioner Control Knob | 1‑1/2" Diameter • Beige | Replaces GE WP12X10002 Brand new Air Conditioner Control Knob replacing General Electric, Hotpoint, and RCA part WP12X10002. Designed for GE‑manufactured Zoneline PTAC units, this knob...
    WP12X10002
    $12.65
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  • Draft Inducer Motor Kit for Carrier, Bryant, AP5634784, 318984-753 Draft Inducer Motor Kit for Carrier, Bryant, AP5634784, 318984-753

    Draft Inducer Motor Kit for Carrier, Bryant, AP5634784, 318984-753

    $34.29
    Draft Inducer Motor Kit | Replaces Carrier®, Bryant®, Payne® | 318984-753 Ensure safe and efficient furnace operation with this brand-new draft inducer motor kit. Designed to replace Carrier® part #318984-753, this OEM-style motor provides proper...
    318984-753
    $34.29
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  • Napco Time Delay Fan Relay 1 SPST, 2 DPDT, Switch, 24 V, 24A34-14, 33848, NS107 Napco Time Delay Fan Relay 1 SPST, 2 DPDT, Switch, 24 V, 24A34-14, 33848, NS107

    Napco Time Delay Fan Relay 1 SPST, 2 DPDT, Switch, 24 V, 24A34-14, 33848, NS107

    $26.45
    ⚡ Time Delay Fan Relay | 1 SPST • 2 DPDT • 24V |  NS107 Brand new Time Delay Fan Relay, part number NS107. This relay features 1 SPST and 2 DPDT switch configurations, providing versatile control for HVAC fan operations. Designed with...
    NS107
    $26.45
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  • 1-Wire Millivolt NG Gas Pilot ODS Assembly, Thermocouple, 34", 103779-01 1-Wire Millivolt NG Gas Pilot ODS Assembly, Thermocouple, 34", 103779-01

    1-Wire Millivolt NG Gas Pilot ODS Assembly, Thermocouple, 34", 103779-01

    $127.22
    34" Millivolt ODS Pilot Assembly | 1‑Wire Thermocouple | NG Gas | Replaces 103779‑01 Ensure safe, reliable ignition and flame monitoring with this brand-new 34" 1‑Wire Millivolt ODS Pilot Assembly Thermocouple, designed for natural gas (NG)...
    103779-01
    $127.22
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  • Definite Purpose Contactor, 2 Pole, 30 Amps, 24 Coil Voltage, C230A Definite Purpose Contactor, 2 Pole, 30 Amps, 24 Coil Voltage, C230A

    Definite Purpose Contactor, 2 Pole, 30 Amps, 24 Coil Voltage, C230A

    $9.60
    ⚡ Definite Purpose Contactor | Model C230A | 2-Pole | 30A FLA | 24V Coil Ensure dependable switching performance in HVAC, refrigeration, and industrial control systems with this brand-new C230A definite purpose contactor. Engineered to meet U.L...
    C230A
    $9.60
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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 / 24A34‑6 / HN67QC008 Brand new Time Delay Fan Relay (NS106) designed for universal HVAC applications. This relay features a 2 DPST switch configuration and operates at 24V. Adjustable timing provides...
    NS106
    $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
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  • Napco Time Delay Fan Relay DPST Switch, 24 V, B1256504, NS103 Napco Time Delay Fan Relay DPST Switch, 24 V, B1256504, NS103

    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 timing, helping prevent short cycling and ensuring...
    NS103
    $9.75
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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
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  • Plastic 25' Tubing Icemaker & Evap Cooler Installation Kit, AP236870, PT25, QAK2 Plastic 25' Tubing Icemaker & Evap Cooler Installation Kit, AP236870, PT25, QAK2

    Plastic 25' Tubing Icemaker & Evap Cooler Installation Kit, AP236870, PT25, QAK2

    $15.84
    Icemaker, Humidifier & Evaporator Cooler Installation Kit | PT25 / QAK2 | 25 Ft Tubing + Fittings Brand new Universal Installation Kit for refrigerator icemakers, whole‑house humidifiers, and evaporative coolers. The PT25 / QAK2 kit includes 25...
    QAK2
    $15.84
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