Valves & Pumps

Valves & Pumps

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Siemens Building Technology 599-10323 Ball Valve 1.5" 2w 40CV Chrome Plate

Siemens Building Technology

MSRP: $273.70

Now: $211.50

Siemens Building Technology 599-10323 Ball Valve 1 1/2" NPT 40 Cv Two-way Equal Percentage Flow Brass Body with Chrome Plated Brass Ball and Brass Stem FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts...

MSRP: $273.70

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Copeland Comfort Control (Alco) 062036 Cap Less Flange TXV 10'

Copeland Comfort Control (Alco)

MSRP: $1,003.76

Now: $775.63

Copeland Comfort Control (Alco) 062036 TXV 10'Cap Less Flange THR 100 HC 100 -Ton R22 Refrigerant Medium Temperature Charge FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when...

MSRP: $1,003.76

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Maxitrol MR212J-3232 Modulating Gas Valve and Regulator 4"

Maxitrol

MSRP: $7,211.94

Now: $5,572.86

Maxitrol MR212J-3232 Modulating Gas Valve and Regulator 4" 125# Flange for Direct Fired (Negative Pressure) Burners with 5 PSI Inlet Pressure Max This item qualifies for FREE SHIPPING! Must Ship by Freight Truck FurnacePartSource.com...

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Belimo G780D+AFBUP-X1 3" 85Cv DIV ON/OFF S/R 24-240V

Belimo

MSRP: $5,941.52

Now: $4,591.17

Belimo G780D+AFBUP-X1 3 Way Valve Assembly Diverting Flanged Globe Valve Bronze Trim 3" Cv 85 with Motor, Actuator, Spring Return, 180 in-lb On/Off, 24 to 240Vac This item qualifies for FREE SHIPPING! Must Ship by Freight Truck Item is...

MSRP: $5,941.52

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Belimo G780D+AFBUP-S-X1 3" 3W DIV 24-240V S/R 2POS

Belimo

MSRP: $6,033.27

Now: $4,662.08

Belimo G780D+AFBUP-S-X1 3 Way Valve Assembly Flanged Globe Valve Bronze Trim 3" Cv 85 with Motor, Actuator, Spring Return, 180 in-lb On/Off, 24 to 240Vac , with Auxiliary Switch Must Ship by Freight Truck This item qualifies for FREE...

MSRP: $6,033.27

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Weil McLain 383-900-061 Gas Valve Sit 399

Weil McLain

MSRP: $524.27

Now: $405.12

Weil McLain 383-900-061 Gas Valve SIT 399 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: $524.27

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Parker Fluid Control 71215SN2MN00N0C111 2-Way NC 1/4" NPT 240V

Parker Fluid Control

MSRP: $200.39

Now: $154.85

Parker Fluid Control 71215SN2MN00N0C111 2-WAY NC 1/4" NPT 240V Item is Non-Cancelable / Non-Returnable FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No Minimum...

MSRP: $200.39

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Johnson Controls VG1245ESH958BAC Valve Assembly 2 Way Normally Closed 1 1/2"

Johnson Controls

MSRP: $803.63

Now: $620.99

Johnson Controls VG1245ESH958BAC Valve Assembly V2 Way Normally Closed 1 1/2" NPT 120Vac 46.8 Cv Equal Percentage Flow Forged Brass Body with Stainless Steel Trim Spring Return Two-Position Actuated Ball Valve with Thermal Barrier and 2-SPDT...

MSRP: $803.63

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Johnson Controls VG1245DRH958BAC Valve Assembly 2 Way Normally Closed 1 1/4"

Johnson Controls

MSRP: $700.94

Now: $541.63

Johnson Controls VG1245DRH958BAC Valve Assembly 2 Way Normally Closed 1 1/4" NPT 120Vac 29.2 Cv Equal Percentage Flow Forged Brass Body with Stainless Steel Trim Spring Return Two-Position Actuated Ball Valve with Thermal Barrier and 2-SPDT...

MSRP: $700.94

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Liebert 257260P3S Thermal Expansion Valve 5 Ton

Liebert

MSRP: $369.02

Now: $285.15

Liebert 257260P3S Thermal Expansion Valve 5 Ton Item is Non-Cancelable / Non-Returnable FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No Minimum Order...

MSRP: $369.02

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Siemens Building Technology MVL661.15-0.4 Refrigeration Valve 1/2"

Siemens Building Technology

MSRP: $1,113.39

Now: $860.34

Siemens Building Technology MVL661.15-0.4 Refrigeration Valve 1/2" 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: $1,113.39

Now: $860.34

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Danfoss 068Z3404 TES 2 R404A/R507 B 3/8x1/2"FL

Danfoss

MSRP: $156.85

Now: $121.20

Danfoss 068Z3404 TES 2 R404A/R507 B 3/8x1/2"FL 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: $156.85

Now: $121.20

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Goodway Technologies RCC-10-OIL Crankcase Oil-Ar Pumps 4.5OZ

Goodway Technologies

MSRP: $29.55

Now: $22.84

Goodway Technologies RCC-10-OIL Crankcase Oil-Ar Pumps 4.5OZ Item is Non-Cancelable / Non-Returnable FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No Minimum...

MSRP: $29.55

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Danfoss 020-1043 Check Valve 5/8"Flare NRV 16

Danfoss

MSRP: $82.10

Now: $63.44

Danfoss 020-1043 Check Valve 5/8"Flare NRV 16 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: $82.10

Now: $63.44

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GC Valves S201GH02V5EG5 Solenoid Valve 3/4" 2W NC 120V

GC Valves

MSRP: $329.62

Now: $199.77

GC Valves S201GH02V5EG5 Solenoid Valve 3/4" 2W NC 120V 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: $329.62

Now: $199.77

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GC Valves S202GH02V5EG5 Solenoid Valve

GC Valves

MSRP: $434.23

Now: $335.54

GC Valves S202GH02V5EG5 Solenoid Valve 3/4" NPT Normally Open Brass Body Coil Class H 120Vac Viton Seal Material 3/4" Orifice FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day...

MSRP: $434.23

Now: $335.54

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Siemens Building Technology 298-03150 Valve Assembly 3W Mix SS FxF 1 1/4" 16 24V SR

Siemens Building Technology

MSRP: $1,314.03

Now: $1,015.38

Siemens Building Technology 298-03150 Valve Assembly 3 Way Mixing 1 1/4" NPT 16 Cv Bronze Body with Stainless Steel Trim and 0-10Vdc 24Vac, 24Vdc Spring Return Modulating Actuator FurnacePartSource.com Commitment Always Brand-New Genuine...

MSRP: $1,314.03

Now: $1,015.38

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Siemens Building Technology 267-03150 Valve Assembly 3W Mix SS 1 1/4" 16.0 24V NSR

Siemens Building Technology

MSRP: $1,551.15

Now: $1,198.61

Siemens Building Technology 267-03150 Valve Assembly 3 Way Mixing 1 1/4" NPT 16 Cv Bronze Body with Stainless Steel Trim and 0-10Vdc 4-20Ma 24Vac 24Vdc Non-Spring Return Modulating Actuator FurnacePartSource.com Commitment Always Brand-New...

MSRP: $1,551.15

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Siemens Building Technology 373-03150 Valve Assembly 3W Mix SS 1 1/4" 16.0 24V NSR

Siemens Building Technology

MSRP: $1,092.88

Now: $844.50

Siemens Building Technology 373-03150 Valve Assembly 3 Way Mixing 1 1/4" NPT 16 Cv Bronze Body with Stainless Steel Trim and 24Vac Non-Spring Return Floating Actuator FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock...

MSRP: $1,092.88

Now: $844.50

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Belimo G7100+EVB24-SR 4"3W FLG.190cv,2-10v MOD.

Belimo

MSRP: $4,012.47

Now: $3,100.54

Belimo G7100+EVB24-SR 4"3W FLG.190cv,2-10v MOD. Must Ship by Freight Truck Item is Non-Cancelable / Non-Returnable FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by...

MSRP: $4,012.47

Now: $3,100.54

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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.