Valves & Pumps

Valves & Pumps

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Robertshaw 359711404A Gas Valve

Robertshaw

MSRP: $162.03

Now: $125.20

Robertshaw 359711404A 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: $162.03

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Laars Heating Systems R0336800 Gas Valve 24v 4" wc LP 3/4"

Laars Heating Systems

MSRP: $437.04

Now: $337.71

Laars Heating Systems R0336800 Gas Valve 24v 4" wc LP 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: $437.04

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Bard HVAC 905-0732 EEV Electronic Expansion Valve Assembly

Bard HVAC

MSRP: $358.23

Now: $276.82

Bard HVAC 905-0732 EEV Electronic Expansion Valve Assembly 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: $358.23

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Belimo B214+TFRB24 Characterized Control Valve 1/2"NPT SS 7.4Cv 24V S/R 2POS

Belimo

MSRP: $428.21

Now: $330.89

Belimo B214+TFRB24 Characterized Control Valve 1/2"NPT SS 7.4Cv 24V S/R 2POS If out of stock, call or text 1.866.620.8417 for possible cross reference Item is Non-Cancelable / Non-Returnable FurnacePartSource.com Commitment Always Brand-New...

MSRP: $428.21

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ASCO 8215G20-24VDC Solenoid Valve 1/2"N/C 0/25# Air/Gas

Asco

MSRP: $332.56

Now: $256.98

ASCO 8215G20-24VDC Solenoid Valve 2 Way Normally Closed 1/2" NPT 24Vdc 4.4 Cv 238,500 btu/hr 0-25 PSI Air-Fuel Gas Shutoff Valve with Aluminum Body NBR Seals Nema 4X Enclosure FurnacePartSource.com Commitment Always Brand-New Genuine...

MSRP: $332.56

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Carrier 321097-201 Check Valve

Carrier

MSRP: $28.43

Now: $21.97

Carrier 321097-201 Check Valve 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 Requirements unless noted...

MSRP: $28.43

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Watts F121449 Automatic Reseating Temperature and Pressure Relief Valve

Watts

MSRP: $751.82

Now: $580.95

Watts F121449 Automatic Reseating Temperature and Pressure Relief Valve 3/4" LF140S-3 Lead Free 150 psi 210 F 3" Coated Thermostat Discharge Line Flood Sensor Included FurnacePartSource.com Commitment Always Brand-New Genuine Parts In...

MSRP: $751.82

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Hoshizaki 4A2772-02 Water Valve #74035-6

Hoshizaki

MSRP: $173.68

Now: $134.21

Hoshizaki 4A2772-02 Water Valve #74035-6 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: $173.68

Now: $134.21

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Maxon 125SMM11AA11BA-2A0 Gas Valve 1 1/4" W/2 VOS2/VCS2

Maxon

MSRP: $5,369.79

Now: $4,149.39

Maxon 125SMM11AA11BA-2A0 Gas Valve 1 1/4" 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...

MSRP: $5,369.79

Now: $4,149.39

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Copeland 998-0661-42 Valve Plate Kit

Copeland

MSRP: $246.54

Now: $190.51

Copeland 998-0661-42 Valve Plate 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: $246.54

Now: $190.51

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Trane VAL19039 Angle Service Valve 1 5/8"

Trane

MSRP: $352.39

Now: $272.30

Trane VAL19039 Angle Service Valve 1 5/8" 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: $352.39

Now: $272.30

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Mueller Industries AH17430 Atmospheric Pressure Relief Valve 400# 3/8

Mueller Industries

MSRP: $119.81

Now: $92.58

Mueller Industries AH17430 Atmospheric Pressure Relief Valve 400# 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...

MSRP: $119.81

Now: $92.58

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ASCO 8262H13V Solenoid Valve 1/4" N/C 0-55# Air, 54# Wtr, 40# Lt Oil

Asco

MSRP: $147.30

Now: $113.82

ASCO 8262H13V Solenoid Valve 2 Way Normally Closed 1/4" NPT 120Vac .73 Cv 0-55 PSI Air 0-54 PSI Water 0-40 PSI Light Oil Direct Acting General Service Brass Body with Viton Seals Nema 4X Enclosure FurnacePartSource.com...

MSRP: $147.30

Now: $113.82

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Cla-Val 7194504C Pressure Reducing Valve 3/8"

Cla-Val

MSRP: $3,172.44

Now: $2,451.43

Cla-Val 7194504C Pressure Reducing Valve 3/8" 30/300# S.S 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: $3,172.44

Now: $2,451.43

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Siemens Building Technology 599-05972 Globe Valve 4" NC 2-Way

Siemens Building Technology

MSRP: $2,293.14

Now: $1,771.97

Siemens Building Technology 599-05972 Globe Valve 2 Way Normally Closed 4" Flange 160 Cv Equal Percentage Flow ANSI Class 125 Cast Iron Body with Stainless Steel Trim Must Ship by Freight Truck FurnacePartSource.com...

MSRP: $2,293.14

Now: $1,771.97

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Henry Technologies 5242-3/4-300 Relief Valve 3/4"MPT x 3/4"FPT 300#

Henry Technologies

MSRP: $231.94

Now: $179.23

Henry Technologies 5242-3/4-300 Relief Valve 3/4"MPT x 3/4"FPT 300# 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...

MSRP: $231.94

Now: $179.23

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Conbraco Industries 70-801-01 Ball Valve 1/4" M X F BRZ

Conbraco Industries

MSRP: $61.38

Now: $47.43

Conbraco Industries 70-801-01 Ball Valve 1/4" M X F 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

MSRP: $61.38

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Lochinvar & A.O. Smith 100342953 Low Water Cut off KBX

Lochinvar & A.O. Smith

MSRP: $430.27

Now: $332.48

Lochinvar & A.O. Smith 100342953Low Water Cut off KBX 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: $430.27

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Lochinvar & A.O. Smith 100172008 Gas Valve Assembly

Lochinvar & A.O. Smith

MSRP: $2,656.37

Now: $2,052.65

Lochinvar & A.O. Smith 100172008 Gas Valve Assembly 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: $2,656.37

Now: $2,052.65

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Asco 8300G76U Brass Solenoid Valve 1/2" Univ. 3way 0/35#

Asco

MSRP: $2,031.08

Now: $1,569.47

Asco 8300G76U Brass Solenoid Valve 3 Way Universal 1/2" NPT 120Vac 1 Cv 0-35 PSI Air, Water, and Light Oil Direct Acting General Service Brass Body Nema 4X Enclosure FurnacePartSource.com Commitment Always Brand-New Genuine Parts In...

MSRP: $2,031.08

Now: $1,569.47

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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.