Valves & Pumps

Valves & Pumps

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Xylem-McDonnell & Miller 193-7BM Combination Low Water Cut Off and Pump Controller (164525)

Xylem-McDonnell & Miller

MSRP: $4,540.62

Now: $3,508.66

Xylem-McDonnell & Miller Combination Low Water Cut Off and Pump Controller Manual Reset 135ohm Potentiometer Switch for Steam Boilers with 150 PSI Max Pressure (Part Number 164525) FurnacePartSource.com Commitment Always Brand-New Genuine...

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Griswold Controls UR2A3FS-K Valve 1.3CV Unimizer+ 2-Way 1/2"

Griswold Controls

MSRP: $187.11

Now: $144.58

Griswold Controls UR2A3FS-K Valve 1.3CV Unimizer+ 2-Way 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: $187.11

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Johnson Controls VG7403ST Globe Valve 2Way Female Brz

Johnson Controls

Johnson Controls VG7403ST Globe Valve 2Way Female Brz 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

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Johnson Controls VG7443ET+3008E Valve Assembly 1/2 NC 1.8cv 9-13#

Johnson Controls

MSRP: $806.21

Now: $622.98

Johnson Controls VG7443ET+3008E Valve Assembly 2 Way Normally Closed 1/2" NPT 1.8 Cv Equal Percentage Flow Cast Bronze Body with Stainless Steel Trim with 9-13 PSI Spring Range Spring Return Exposed Pneumatic Actuator FurnacePartSource.com...

MSRP: $806.21

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Rheem-Ruud 67L5955 Expansion Valve (TXV)

Rheem-Ruud

MSRP: $179.59

Now: $138.77

Rheem-Ruud 67L5955 Expansion Valve (TXV) 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: $179.59

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International Comfort Products NAEB20101TX TXV Valve

International Comfort Products

MSRP: $339.92

Now: $262.66

International Comfort Products NAEB20101TX TXV 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: $339.92

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Armstrong International D24650 Radiator Valve Body with "A" Insert

Armstrong International

MSRP: $111.08

Now: $85.83

Armstrong International D24650 Radiator Valve Body with "A" Insert 3/4" Straight Pattern RV-4 Thermostatic FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No...

MSRP: $111.08

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Copeland Comfort Control (Alco) 064993 Check Valve 1 5/8"ODF

Copeland Comfort Control (Alco)

MSRP: $636.72

Now: $492.01

Copeland Comfort Control (Alco) 064993 Check Valve 1 5/8"ODF Built-In 30 Mesh Stainless Steel Strainer (Model ACK-26) FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by...

MSRP: $636.72

Now: $492.01

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Watts Parts and Product F384292 2" 740 Iron Boiler Pressure Relief Valve

Watts

MSRP: $1,888.61

Now: $1,459.38

Watts Parts and Product F384292 2" 740 Iron Boiler Pressure Relief Valve 50 psi Expanded Outlets Discharge Line Flood Sensor Included FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business...

MSRP: $1,888.61

Now: $1,459.38

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Peerless Boiler 54253 Gas Valve

Peerless Boiler

MSRP: $1,406.44

Now: $1,086.80

Peerless Boiler 54253 Gas 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: $1,406.44

Now: $1,086.80

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Watts Parts and Product 88006822 Dual Check Valve Backflow Preventer

Watts

MSRP: $380.95

Now: $294.37

Watts Parts and Product 88006822 Dual Check Valve Backflow Preventer 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: $380.95

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BASO Gas Products H91AA-7C-REVB Automatic Gas Valve 120V

BASO Gas Products

MSRP: $214.48

Now: $165.74

BASO Gas Products H91AA-7C-REVB Automatic Gas Valve 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: $214.48

Now: $165.74

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Trane BAY4TXV1830A TXV Valve Kit

Trane

MSRP: $153.86

Now: $118.89

Trane BAY4TXV1830A TXV Valve Kit 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: $153.86

Now: $118.89

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Trane PMP0558 Oil Tank Head Pump

Trane

MSRP: $741.59

Now: $573.05

Trane PMP0558 Oil Tank Head 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: $741.59

Now: $573.05

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Honeywell VBN3ABPA1000 Valve Assembly 1/2"NPT 3W .33Cv FLTG NSR 24V

Honeywell

MSRP: $224.17

Now: $173.22

Honeywell VBN3ABPA1000 Valve Assembly 1/2" NPT 24Vac 0.33 Cv 3 Way Equal Percentage Flow Port A to AB Linear Flow Port B to AB Brass Body with Plated Brass Trim Ball Valve Non-Spring Return Floating Point Actuator with Standard...

MSRP: $224.17

Now: $173.22

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Siemens Building Technology 599-03112 Globe Valve 3/4"N/O Valve Body, SS Trim, 6.3CV

Siemens Building Technology

MSRP: $398.28

Now: $307.76

Siemens Building Technology 599-03112 Globe Valve 2 Way Normally Open 3/4" NPT 6.3 Cv Equal Percentage Flow Bronze Body with Stainless Steel Trim FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts...

MSRP: $398.28

Now: $307.76

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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

Now: $85.04

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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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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.