Valves & Pumps

Valves & Pumps

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Watts F275054 Valve 1 174A 050FS

Watts

MSRP: $286.75

Now: $221.58

Watts F275054 Valve 1 174A 050FS 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: $286.75

Now: $221.58

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Trane VAL11798 TXV w/Bleed Port R410A 3ton

Trane

MSRP: $196.98

Now: $152.21

Trane VAL11798 TXV w/Bleed Port R410A 3ton 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: $196.98

Now: $152.21

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Siemens Building Technology 274-03073 Valve Assembly 2 Way Normally Closed 1/2"

Siemens Building Technology

MSRP: $1,438.96

Now: $1,090.12

Siemens Building Technology 274-03073 Valve Assembly 2 Way Normally Closed 1/2" NPT 0-10Vdc 4-20mA 24Vac 1.6 Cv Linear Flow Bronze Body with Stainless Steel Trim and Spring Return Modulating Actuator FurnacePartSource.com...

MSRP: $1,438.96

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Siemens Building Technology 274-03074 Valve Assembly 2 Way Normally Closed 1/2"

Siemens Building Technology

MSRP: $1,438.96

Now: $1,090.12

Siemens Building Technology 274-03074 Valve Assembly 2 Way Normally Closed 1/2" NPT 0-10Vdc 4-20mA 24Vac 2.5 Cv Linear Flow Bronze Body with Stainless Steel Trim and Spring Return Modulating Actuator FurnacePartSource.com...

MSRP: $1,438.96

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Liebert 197922G1 Solenoid Valve 3/8"

Liebert

MSRP: $1,554.32

Now: $1,201.06

Liebert 197922G1 Solenoid Valve 3/8" 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: $1,554.32

Now: $1,201.06

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Danfoss 067N3011 Thermal Expansion Valve with number 16 orifice and bulb strap (Type TGEL 20)

Danfoss

MSRP: $336.95

Now: $260.37

Danfoss 067N3011 Thermal Expansion Valve with number 16 orifice and bulb strap (Type TGEL 20) 5/8"ODF x 1 1/8"ODF Straight Body 60" Capillary Tube R410A Capacity - 19 Ton MOP 667 PSI Externally Equalized FurnacePartSource.com...

MSRP: $336.95

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Copeland 998-0510-33 Serv Valve Kit 5/8 SWT

Copeland

MSRP: $138.30

Now: $106.87

Copeland 998-0510-33 Serv Valve Kit 5/8 SWT 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: $138.30

Now: $106.87

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York S1-VLVH-JT2213 2-Way Hydronic Valve 1/2" ODS

York

MSRP: $367.92

Now: $284.30

York S1-VLVH-JT2213 2-Way Hydronic Valve 1/2" ODS 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: $367.92

Now: $284.30

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Taco 007-SF5-IFC SS Circulator Pump

Taco

MSRP: $871.53

Now: $673.46

Taco 007-SF5-IFC SS Circulator Pump 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: $871.53

Now: $673.46

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Johnson Controls VG2431VM+845D00 Valve Assembly 2 Way Normally Closed 4"

Johnson Controls

MSRP: $4,117.03

Now: $3,181.34

Johnson Controls VG2431VM+845D00 Valve Assembly 2 Way Normally Closed 4" ANSI Class 125 Flat-Faced Flange 150 Cv Modified Linear Flow Cast Iron Body with Brass Trim 3/8" threaded stem with 4-8 PSI Spring Range Spring Return Pneumatic Actuator Must...

MSRP: $4,117.03

Now: $3,181.34

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Johnson Controls VG2431VM+845E00 Valve Assembly 2 Way Normally Closed 4"

Johnson Controls

MSRP: $4,117.03

Now: $3,181.34

Johnson Controls VG2431VM+845E00 Valve Assembly 2 Way Normally Closed 4" ANSI Class 125 Flat-Faced Flange 150 Cv Modified Linear Flow Cast Iron Body with Brass Trim 3/8" threaded stem with 9-13 PSI Spring Range Spring Return Pneumatic Actuator Must...

MSRP: $4,117.03

Now: $3,181.34

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Siemens Building Technology 268-03203 Valve Assembly 3 Way Mixing 1"

Siemens Building Technology

MSRP: $511.00

Now: $394.87

Siemens Building Technology 268-03203 Valve Assembly 3 Way Mixing 1" NPT 10 Cv Bronze Body with Brass Trim and 3-8 PSI Spring Range Pneumatic Actuator FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts...

MSRP: $511.00

Now: $394.87

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Henry Technologies 5244-400 Relief Valve 400# 1 MPT x 1 FPT

Henry Technologies

MSRP: $260.49

Now: $201.28

Henry Technologies 5244-400 Relief Valve 400# 1 MPT x 1 FPT 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: $260.49

Now: $201.28

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Siemens Building Technology 259-02027 Valve Assembly 2 Way Normally Closed 3/4"

Siemens Building Technology

MSRP: $295.30

Now: $228.19

Siemens Building Technology 259-02027 Valve Assembly 2 Way Normally Closed 3/4" NPT 6.3 Cv Equal Percentage Flow Forged Brass Body with Stainless Steel Trim Valve Body and 24Vac Non-Spring Return Floating Actuator FurnacePartSource.com...

MSRP: $295.30

Now: $228.19

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Siemens Building Technology 283-03166 Valve Assembly 2 Way Normally Open 3/4"

Siemens Building Technology

MSRP: $797.26

Now: $616.07

Siemens Building Technology 283-03166 Valve Assembly 2 Way Normally Open 3/4" NPT 6.3 Cv Equal Percentage Flow Bronze Body with Brass Trim with 8" Pneumatic Actuator with 5 PSI Spring Span (Adjustable Spring Range) and Positioner FurnacePartSource...

MSRP: $797.26

Now: $616.07

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Siemens Building Technology 267-03166 Valve Assembly 2 Way Normally Open 3/4"

Siemens Building Technology

MSRP: $1,135.70

Now: $877.58

Siemens Building Technology 267-03166 Valve Assembly 2 Way Normally Open 3/4" NPT 6.3 Cv Equal Percentage Flow Bronze Body with Brass Trim and 0-10Vdc, 4-20Ma, 24Vac, 24Vdc, Non-Spring Return Modulating Actuator FurnacePartSource.com...

MSRP: $1,135.70

Now: $877.58

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Siemens Building Technology 298-03166 Valve Assembly 2 Way Normally Open 3/4"

Siemens Building Technology

MSRP: $977.87

Now: $755.63

Siemens Building Technology 298-03166 Valve Assembly 2 Way Normally Open 3/4" NPT 6.3 Cv Equal Percentage Flow Bronze Body with Brass Trim and 0-10Vdc, 24Vac, 24Vdc Spring Return Modulating Actuator FurnacePartSource.com...

MSRP: $977.87

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Siemens Building Technology 270-03075 Valve Assembly 2 Way Normally Closed 1/2"

Siemens Building Technology

MSRP: $576.21

Now: $445.26

Siemens Building Technology 270-03075 Valve Assembly 2 Way Normally Closed 1/2" NPT 4.0 Cv Linear Flow Bronze Body with Stainless Steel Trim High Temperature Packing 10-15 PSI Spring Range Pneumatic Actuator FurnacePartSource.com...

MSRP: $576.21

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Siemens Building Technology 277-03166 Valve Assembly 2 Way Normally Open 3/4"

Siemens Building Technology

MSRP: $528.05

Now: $408.04

Siemens Building Technology 277-03166 Valve Assembly 2 Way Normally Open 3/4" NPT 6.3 Cv Equal Percentage Flow Bronze Body with Brass Trim with 8" Pneumatic Actuator with 5 PSI Spring Span (Adjustable Spring Range) FurnacePartSource.com...

MSRP: $528.05

Now: $408.04

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Siemens Building Technology 373-03166 Valve Assembly 2 Way Normally Open 3/4"

Siemens Building Technology

MSRP: $740.17

Now: $571.95

Siemens Building Technology 373-03166 Valve Assembly 2 Way Normally Open 3/4" NPT 6.3 Cv Equal Percentage Flow Bronze Body with Brass Trim 24Vac Non-Spring Return Floating Actuator FurnacePartSource.com Commitment Always Brand-New Genuine...

MSRP: $740.17

Now: $571.95

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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.