Valves & Pumps

Valves & Pumps

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Copeland Comfort Control (Alco) 091022 TXV Valve 3/8x1/2ODF 3TON 5ft R410A TXV

Copeland Comfort Control (Alco)

MSRP: $110.06

Now: $85.04

Copeland Comfort Control (Alco) 091022 TXV Valve 3/8" X 1/2" ODF (Sweat) 5' Capillary Tube R410A Capacity-3 Ton Adjustable Superheat Straight Through Body with 1/4" ODF External Equalizer NXT Series Thermal Expansion Valve (TXV) (NBE 3 ZAA 5FT...

MSRP: $110.06

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Siemens Building Technology 277-03188 Valve Assembly 2" NC 40cv 8"Act5#Span

Siemens Building Technology

MSRP: $908.77

Now: $702.23

Siemens Building Technology 277-03188 Valve Assembly 2 Way Normally Closed 2" NPT 40 Cv Equal Percentage Flow Bronze Body with Brass Trim with 8" Pneumatic Actuator with 5 PSI Spring Span (Adjustable Spring Range) If out of stock, call or text 1.866...

MSRP: $908.77

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ASCO 8320G194-24VDC Solenoid Valve 3 Way Normally Open, 1/4", NPT, 24Vdc, .12 Cv 0-100 PSI

MSRP: $282.43

Now: $218.24

ASCO 8320G194-24VDC Solenoid Valve 3 Way Normally Open 1/4" NPT 24Vdc .12 Cv 0-100 PSI Air, Water, and Light Oil Direct Acting General Service Brass Body with NBR Seal and Nema 4X Enclosure FurnacePartSource.com Commitment Always Brand-New...

MSRP: $282.43

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ASCO 8320G184-24VDC Solenoid Valve 3 Way Normally Closed, 1/4", NPT, 24Vdc, .12 Cv 0-115 PSI

Asco

MSRP: $282.43

Now: $218.24

ASCO 8320G184-24VDC Solenoid Valve 3 Way Normally Closed 1/4" NPT 24Vdc .12 Cv 0-115 PSI Air, Water, and Light Oil Direct Acting General Service Brass Body with NBR Seal and Nema 4X Enclosure FurnacePartSource.com Commitment Always Brand-New...

MSRP: $282.43

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Belimo Z2050Q-J+CQKB24-LL Valve W/Fail-Safe 1/2" 2w 24v 5.9cv

Belimo

MSRP: $208.38

Now: $161.02

Belimo Z2050Q-J+CQKB24-LL Valve 1/2" 2w W/Fail-Safe 24v 5.9cv FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No Minimum Order Requirements unless noted...

MSRP: $208.38

Now: $161.02

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Lennox 19V97 Reversing Valve 1/2 X 7/8 24V

Lennox

MSRP: $56.08

Now: $43.34

Lennox 19V97 Reversing Valve 1/2 X 7/8 24V FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No Minimum Order Requirements unless noted above

MSRP: $56.08

Now: $43.34

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Belimo B318+TFRX24-MFT 3 Way Valve Assembly 3/4" 3W 7.4Cv

Belimo

MSRP: $704.55

Now: $544.42

Belimo B318+TFRX24-MFT 3 Way Valve Assembly CCv Stainless Steel Trim 3/4" NPT Cv 7.4 with Motor, Actuator, Spring Return, 22 in-lb 500 Ohm for 4-20mA, 1500 Ohm for PWM floating point On/Off, 24Vac, 24Vdc Item is Non-Cancelable /...

MSRP: $704.55

Now: $544.42

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York S1-FD67-1425-10 Valve Cap 3/4"

York

MSRP: $10.89

Now: $8.41

York S1-FD67-1425-10 Valve Cap 3/4" FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No Minimum Order Requirements unless noted above

MSRP: $10.89

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Heatcraft Refrigeration 29341711 TXV Valve 1/8"X1/2"ODF R404A 1/6Ton

Heatcraft Refrigeration

MSRP: $303.19

Now: $234.28

Heatcraft Refrigeration 29341711 TXV Valve 1/8"X1/2"ODF R404A 1/6Ton FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No Minimum Order Requirements unless...

MSRP: $303.19

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ASCO 310-388HW Rebuild Kit for Hot Water Rated Valves

Asco

MSRP: $488.04

Now: $377.12

ASCO 310-388HW Rebuild Kit for Hot Water Rated Valves FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No Minimum Order Requirements unless noted above

MSRP: $488.04

Now: $377.12

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Parker Fluid Control 7121KBN44V00 Valve 1/2" N/C 0/14# 185f

Parker Fluid Control

MSRP: $235.60

Now: $182.06

Parker Fluid Control 7121KBN44V00 Valve 1/2" N/C 0/14# 185f FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No Minimum Order Requirements unless noted above

MSRP: $235.60

Now: $182.06

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York S1-025-53179-000 Valve Txv 0X0.375 92.1 Psig Sanh

York

MSRP: $139.85

Now: $108.07

York S1-025-53179-000 Valve Txv 0X0.375 92.1 Psig Sanh FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No Minimum Order Requirements unless noted above

MSRP: $139.85

Now: $108.07

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Schneider Electric (Barber Colman) VBS-9263-0-4-3 Valve 1/2" 2-Way Stem-Up Closed

Schneider Electric (Barber Colman)

MSRP: $710.87

Now: $549.31

Schneider Electric (Barber Colman) VBS-9263-0-4-3 Valve 1/2" 2-Way Stem-Up Closed SS Body FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No Minimum Order...

MSRP: $710.87

Now: $549.31

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Johnson Controls VG12A5HT+94NBGC Valve Assembly 3"2W Flg 74cv N/C Blvl 24V

Johnson Controls

MSRP: $2,052.09

Now: $1,585.70

Johnson Controls VG12A5HT+94NBGC Valve Assembly 2 Way Normally Closed 3" 24Vac 24Vdc ASME Class 150 Flange 74 Cv Equal Percentage Flow Forged Brass Body with Stainless Steel Trim Spring Return Two-Position Actuated Ball Valve with 2-SPDT Auxiliary...

MSRP: $2,052.09

Now: $1,585.70

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Johnson Controls VG12A5HV Ball Valve 3" 2 Way

Johnson Controls

MSRP: $1,162.28

Now: $898.12

Johnson Controls VG12A5HV Ball Valve 3" ASME Class 150 Flange 176 Cv 2 Way Equal Percentage Flow Forged Brass Body with Stainless Steel Trim FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts...

MSRP: $1,162.28

Now: $898.12

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Belimo FGVL Retrofit Valve Linkage

Belimo

MSRP: $1,127.28

Now: $871.08

Belimo FGVL Retrofit Valve Linkage FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No Minimum Order Requirements unless noted above

MSRP: $1,127.28

Now: $871.08

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ClimateMaster 68266319 Thermal Expansion Valve

Climatemaster

MSRP: $293.24

Now: $226.59

ClimateMaster 68266319 Thermal Expansion Valve FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No Minimum Order Requirements unless noted above

MSRP: $293.24

Now: $226.59

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Superior Radiant CG072 Valve Conv. Kit NG-LPG 2-Stage

Superior Radiant

MSRP: $19.92

Now: $15.39

Superior Radiant CG072 Valve Conv. Kit NG-LPG 2-Stage FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No Minimum Order Requirements unless noted above

MSRP: $19.92

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Siemens Building Technology 257-02013B Valve Assembly 2 Way Normally Closed

Siemens Building Technology

MSRP: $227.82

Now: $176.04

Siemens Building Technology 257-02013B Valve Assembly 2 Way Normally Closed 3/4" NPT x Union Male 6.3 Cv Equal Percentage Flow Forged Brass Body with Brass Trim and 3-8 PSI Spring Range Pneumatic Actuator FurnacePartSource.com...

MSRP: $227.82

Now: $176.04

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Danfoss 067N3162 Thermal Expansion Valve 7/8"ODF x 1 1/8" ODF, Straight Body, 60" Capillary Tube

Danfoss

MSRP: $329.46

Now: $254.58

Danfoss 067N3162 Thermal Expansion Valve 7/8"ODF x 1 1/8"ODF Straight Body 60" Capillary Tube R410A Capacity - 19 Ton MOP 667 PSI Externally Equalized number 16 orifice and bulb strap (Type TGEL 20) FurnacePartSource.com...

MSRP: $329.46

Now: $254.58

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Valves & Pumps

The Valves & Pumps category encompasses critical HVAC components that regulate fluids and gases throughout heating and cooling systems. It includes HVAC gas valves, various solenoid valves, and a range of pumps and related parts. These parts play essential roles in fuel control, water circulation, and system safety. Whether managing gas flow to a furnace or moving water in a boiler loop, valves and pumps keep HVAC systems running efficiently and safely.

Key HVAC Valve and Pump Categories

HVAC Gas Valves: Gas valves are essential safety controls in furnaces and boilers. They regulate the flow of natural gas or propane to the burner, opening only when heat is needed and closing to prevent leaksfurnacepartsource.com. Many modern gas valves are solenoid operated, using electromagnetic actuators for precise on/off control. Proper gas valve function is critical for safe ignition and shut-off in any gas fired HVAC system.

Solenoid Valves: Solenoid valves are electrically controlled valves used for automatic fluid control in HVAC systems. By energizing a coil, they can instantly open or close to control the flow of liquids or gasesfurnacepartsource.com. Solenoid valves are found in various applications, from fuel gas shutoff to refrigerant line control, and ensure rapid, reliable operation of cooling and heating circuits.

Circulator Pumps: Circulator pumps are the heart of hydronic heating systems. They continuously circulate hot water from the boiler through

radiators, baseboard heaters, or radiant floor loopsbandhheatingandair.com. This ensures even heat distribution in every zone. Circulator pumps are typically centrifugal pumps designed for closedloop systems, maintaining steady flow and pressure to deliver consistent warmth.

Condensate Pumps: Condensate pumps remove water formed by condensation in HVAC equipment. High-efficiency furnaces and air conditioning coils often produce condensate (water) that must be drained. When gravity drainage isn’t feasible (for example, in basements or attic units), a condensate pump collects and pumps out the water to a safe drain pointbandhheatingandair.com. These compact pumps prevent water buildup that could cause mold or equipment damage.

Zone Valves: Zone valves control hot water flow to different heating zones in a hydronic system. Each zone valve opens or closes to allow water into a specific zone (such as an individual room or floor) based on thermostat demandtameson.com. By segmenting a heating system into zones, these valves enable targeted temperature control and energy savings. Zone valves are usually motor-operated (often 24V) and are common in homes with multiple heating zones or radiant floor heating.

Compatibility and OEM Replacement Parts

When selecting replacement valves or pumps, compatibility with your HVAC system is crucial. Always match the new part’s specifications (fuel type, size, voltage, flow capacity, etc.) to your equipment’s requirements. Using genuine OEM furnace pump replacements (Original Equipment Manufacturer parts) is recommended for optimal fit and performance. Genuine OEM replacement parts ensure compatibility and reliability, restoring the system to its original operating specificationsengineparts4less.com. In practice, this means a replacement circulator pump or gas valve from the system’s manufacturer will fit correctly and function as intended, with no modification needed. Always verify model numbers or part numbers when searching for replacements to ensure you get the correct component for your furnace, boiler, or AC unit.

Frequently Asked Questions

What is an HVAC gas valve and how does it work?

An HVAC gas valve is a control device that manages fuel gas flow to a furnace or boiler. It remains closed until the system calls for heat, then opens to supply natural gas or propane to the burner. Modern gas valves often include safety features that shut off gas to prevent leaks if there's no ignition or if the system is offfurnacepartsource.com. In essence, the gas valve ensures fuel is delivered only when safe and needed.

When are solenoid valves used in HVAC systems?

Solenoid valves are used whenever fast and automatic fluid control is needed in HVAC systems. They rely on an electromagnetic coil to open or close the valve almost instantly. Common HVAC uses include controlling refrigerant flow in air conditioners, acting as gas shutoff valves in furnaces, or regulating water flow in cooling towers. Their ability to precisely control liquids or gases with an electrical signal makes them indispensable for automation and safety in modern HVAC equipmentfurnacepartsource.com.

What is the difference between a circulator pump and a condensate pump?

A circulator pump and a condensate pump serve very different purposes in HVAC systems. A circulator pump is used in hydronic heating (or cooling) loops to continuously move water through the system’s pipes, ensuring even distribution of heat (or chilled water) to all radiators or coils. In contrast, a condensate pump doesn’t circulate heating water; it removes condensation water. Condensate pumps collect excess water produced by AC evaporator coils or high-efficiency furnace exhaust and pump it out to a drainbandhheatingandair.com. In short, circulator pumps move hot (or cold) water for heating/cooling, while condensate pumps dispose of unwanted water from the system.

How do zone valves work in a heating system?

Zone valves are used in hot water (hydronic) heating systems to divide the system into zones for independent control. Each zone valve is installed on the supply pipe feeding a specific zone (area or room). When a zone’s thermostat calls for heat, its valve opens to allow hot water flow into that loop; once the zone is satisfied, the valve closes. This operation can be manual or, more commonly, driven by an

electric actuator motor. By opening or closing, zone valves control water flow to specific zones or areastameson.com, enabling different areas of a building to be heated to different temperatures as needed.

Why choose OEM furnace pump replacements?

Choosing OEM furnace pump replacements is important to ensure the new part will fit and function exactly like the original. OEM (Original Equipment Manufacturer) pumps are made to the same specifications and quality standards as the part that came with your furnace or boiler. This guarantees compatibility in terms of mounting, voltage, capacity, and control connections. While aftermarket alternatives exist, an OEM pump eliminates guesswork – it will match the system’s requirements and often maintain any existing warranties or safety certifications. In summary, using an OEM replacement pump provides peace of mind that the repair will restore your HVAC system’s performance and reliability to factory standards.