Valves & Pumps

Valves & Pumps

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Copeland Comfort Control (White Rodgers) 36C03U-433 (Replaces VS820A1336)

Copeland Comfort Control (White Rodgers)

MSRP: $378.69

Now: $292.63

Copeland Comfort Control (White Rodgers) 36C03U-433 (Replaces VS820A1336) 3/4" 750mv W/SideTaps & LP Kit This is the Direct Replacement for VS820A1336 FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts...

MSRP: $378.69

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Wayne Combustion Systems 63902-001 Gas Valve 120v 3"/8"

Wayne Combustion

MSRP: $197.60

Now: $152.69

Wayne Combustion Systems 63902-001 Gas Valve 120v 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...

MSRP: $197.60

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Wayne Combustion Systems 101136-001 PUMP W/SHAFT ADAPT

Wayne Combustion

MSRP: $543.96

Now: $420.33

Wayne Combustion Systems 101136-001 PUMP W/SHAFT ADAPT 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: $543.96

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Wayne Combustion Systems 101128-011 PUMP 12V COMBO

Wayne Combustion

MSRP: $282.88

Now: $218.59

Wayne Combustion Systems 101128-011 PUMP 12V COMBO 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: $282.88

Now: $218.59

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Wayne Combustion Systems 62246-004 Gas Valve 24v 3.5" wc 1/2"x3/4"

Wayne Combustion

MSRP: $301.11

Now: $232.67

Wayne Combustion Systems 62246-004 Gas Valve 24v 3.5" wc 1/2"x3/4" FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No Minimum Order...

MSRP: $301.11

Now: $232.67

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Nu-Calgon 3143-68 PRESSURE RELIEF VALVE KIT 1"

Nu-Calgon

MSRP: $785.81

Now: $595.31

Nu-Calgon 3143-68 PRESSURE RELIEF VALVE KIT 1" 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: $785.81

Now: $595.31

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Maxon 125SMA11AA11BB22A0 GAS VALVE

Maxon

MSRP: $5,325.41

Now: $4,115.09

Maxon 125SMA11AA11BB22A0 GAS VALVE 1 1/4" ANSI Threaded Standard Port Flow Capacity Auto-reset 2 Way Normally Closed General Purpose Buna Body O-rings and Bumper Cast Iron Body Internal Trim Package 1 115Vac 60Hz Solenoid Voltage 115Vac 60Hz...

MSRP: $5,325.41

Now: $4,115.09

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Maxon 200SMM11AA11BA2A0 2" Gas Valve

Maxon

MSRP: $6,026.25

Now: $4,656.64

Maxon 200SMM11AA11BA2A0 2" Gas Valve ANSI Threaded Standard Port Flow Capacity Manual-reset 2 Way Normally Closed General Purpose Buna Body O-rings and Bumper Cast Iron Body Internal Trim Package 1 115Vac 60Hz Solenoid Voltage Standard Handle...

MSRP: $6,026.25

Now: $4,656.64

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Bray Commercial 630250-21411536 Solenoid 3 Wire

Bray Commercial

MSRP: $350.23

Now: $270.63

Bray Commercial 630250-21411536 Solenoid 120V NEMA7 3 Wire 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: $350.23

Now: $270.63

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Bradford White 265-40148-01 Natural Gas Valve

Bradford White

MSRP: $426.64

Now: $323.21

Bradford White 265-40148-01 Natural 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...

MSRP: $426.64

Now: $323.21

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Bradford White 415-52907-01 Control Valve & Pilot Kit

Bradford White

MSRP: $363.82

Now: $281.14

Bradford White 415-52907-01 Control Valve & Pilot 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: $363.82

Now: $281.14

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Watts 0346040 Relief Valve 10# 3/4"

Watts

MSRP: $215.26

Now: $163.08

Watts 0346040 Relief Valve 10# 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: $215.26

Now: $163.08

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Watts 0369011 Relief Valve 3/4" LF474A 125#

Watts

MSRP: $249.74

Now: $192.98

Watts 0369011 Relief Valve 3/4" LF474A 125# If out of stock, call or text 1.866.620.8417 for possible cross reference FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered...

MSRP: $249.74

Now: $192.98

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Trane VAL8057 5 Ton Expansion Valve

Trane

MSRP: $344.97

Now: $266.56

Trane VAL8057 5 Ton 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: $344.97

Now: $266.56

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Trane VAL18751 TXV 3/8"x1/2"odf 1 1/2ton 5'

Trane

MSRP: $893.59

Now: $676.96

Trane VAL18751 TXV 3/8"x1/2"odf 1 1/2ton 5' 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: $893.59

Now: $676.96

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Trane VAL12375 Expansion Valve R410A 15%BLD 2ton 10' TXV

Trane

MSRP: $749.22

Now: $578.94

Trane VAL12375 Expansion Valve R410A 15% BLD 2 ton 10' 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: $749.22

Now: $578.94

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Trane VAL7747 TXV 3/8x1/2 R-22 5Ton

Trane

MSRP: $331.47

Now: $256.13

Trane VAL7747 TXV 3/8x1/2 R-22 5Ton 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: $331.47

Now: $256.13

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Trane VAL11800 TXV 8Ton Chatleff

Trane

MSRP: $246.26

Now: $190.29

Trane VAL11800 Thermal Expansion Valve 8Ton Chatleff 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: $246.26

Now: $190.29

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Trane VAL8616 TXV 5/8" R22 2.5Ton 20"Cap

Trane

MSRP: $323.04

Now: $244.72

Trane VAL8616 TXV 5/8" R22 2.5Ton 20"Cap 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: $323.04

Now: $244.72

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Trane VAL9557 TXV R410 5TON

Trane

MSRP: $197.80

Now: $152.85

Trane VAL9557 TXV R 410 5 TON 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: $197.80

Now: $152.85

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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.