RHEEM 42-102664-15 Contactor 30A 2-POLE 24V

( Brand: Rheem ), ( Manufacturer Part Number: 42-102664-15 ), ( Compatible Brand: Universal ), ( Type: Definite Purpose Contactor ), ( Voltage: 24 V ), ( Amperage: 30 A ), ( Country Of Origin: United States )

Review RHEEM 30a 2-pole Contactor 24v Aux Used

The **Rheem 42-102664-15 30A 2-Pole Contactor (24V)** is a high-performance, industrial-grade electrical switching device meticulously engineered for demanding HVAC, refrigeration, and commercial heating applications. Designed with precision and durability in mind, this contactor is built to handle robust electrical loads while ensuring reliable operation in demanding environments. Its robust construction features a **30-ampere (30A) current rating**, making it ideal for controlling high-capacity motors, compressors, and other heavy-duty electrical components without compromising efficiency or safety. The **2-pole configuration** allows for seamless phase control, ensuring balanced power distribution and minimizing voltage imbalances that could lead to equipment stress or premature failure.

Operating on a **24-volt DC (24V) control voltage**, this contactor is compatible with a wide range of control systems, including thermostats, relays, and programmable logic controllers (PLCs), making it a versatile solution for both residential and commercial installations. Its **normally open (NO) contact configuration** provides a clean, direct switching mechanism, reducing the risk of arcing and ensuring a long operational lifespan. The contactor is equipped with **high-quality silver-plated contacts**, which offer superior conductivity, resistance to corrosion, and extended wear, even under frequent cycling conditions. This design minimizes contact resistance and heat buildup, thereby enhancing the overall reliability and longevity of the device.

The **Rheem 42-102664-15** is constructed from high-grade materials, including a sturdy metal enclosure that provides excellent protection against environmental factors such as moisture, dust, and mechanical stress. This rugged build ensures that the contactor can withstand the rigors of industrial settings, including exposure to temperature fluctuations and vibration, without degrading performance. Additionally, its compact yet robust design allows for easy installation in tight spaces, making it a practical choice for both new installations and retrofits. The contactor is also designed with **thermal protection mechanisms**, which help prevent overheating and reduce the risk of electrical fires, further enhancing its safety profile.

For technicians and engineers, the **Rheem 42-102664-15** offers a blend of performance and ease of use. Its **quick-connect terminals** simplify wiring and reduce installation time, while its clear labeling ensures that connections are made correctly the first time. Whether used in air conditioning systems, refrigeration units, or commercial heating applications, this contactor delivers consistent and dependable performance, helping to maintain optimal system efficiency and operational uptime. With Rheem s reputation for quality and innovation, this contactor stands as a dependable component for professionals who demand nothing less than excellence in their electrical controls.

The Rheem 42-102664-15 30A 2-pole 24V contactor is a common component used in HVAC systems, water heaters, and other electrical applications. Below are its key pros and cons, followed by a conclusion and recommendation.

---

### **Pros of buying a Rheem 42-102664-15 30A 2-Pole 24V Contactor**

1. **Compatibility with Rheem Systems** This contactor is specifically designed for Rheem-brand equipment, ensuring seamless integration with water heaters, furnaces, and other Rheem HVAC units. It reduces the risk of compatibility issues that may arise with generic replacements.

2. **Reliable Performance** Rheem components are generally built to industrial standards, offering durable construction and consistent operation over time. The contactor is designed to handle 30 amps, making it suitable for medium to large heating or cooling systems.

3. **Easy Installation** The contactor is straightforward to install, especially for those familiar with basic electrical work. It comes with mounting hardware and clear wiring instructions, though proper safety precautions (like disconnecting power) must be followed.

4. **Low Voltage Operation (24V)** Since it operates on 24V, it reduces the risk of electric shock compared to higher-voltage components. This makes it safer for DIYers who are comfortable with low-voltage wiring.

5. **Wide Availability** As a common Rheem part, it is easily found at hardware stores, online retailers (Amazon, Home Depot, etc.), and through Rheem s authorized distributors. This ensures quick replacement if needed.

6. **Cost-Effective for Rheem Users** While not the cheapest option, it is often more affordable than purchasing an entirely new system when a single component fails. Replacing a contactor is typically less expensive than overhauling a water heater or furnace.

7. **Supports Load Control** The 2-pole design allows it to control two separate circuits simultaneously, which is useful in systems requiring dual-phase or dual-load control (e.g., heating and cooling stages).

---

### **Cons of buying a Rheem 42-102664-15 30A 2-Pole 24V Contactor**

1. **Brand-Specific Limitations** Since it is Rheem-exclusive, it may not fit non-Rheem systems without modification. Users with other brands (e.g., Bradford White, A.O. Smith) may need to verify compatibility or consider a universal replacement.

2. **Potential for Counterfeit Parts** Due to its popularity, there is a risk of purchasing counterfeit or low-quality replicas, especially from untrusted sellers. Always buy from authorized dealers or reputable retailers to avoid performance issues or safety hazards.

3. **Limited Lifespan Under Heavy Use** Like all electrical components, contactors wear out over time due to arcing, thermal stress, or mechanical fatigue. If the original contactor failed prematurely, the new one may also fail under similar conditions, necessitating maintenance checks.

4. **Requires Basic Electrical Knowledge** While installation is manageable, improper wiring or installation can lead to system malfunctions, electrical hazards, or voided warranties. Those without experience should consult a professional.

5. **Price Variability** Prices can fluctuate based on demand, seller markup, or availability. Some users report paying more for "new OEM" parts than for "like-new" or refurbished alternatives, which may offer similar performance at a lower cost.

6. **No Built-In Diagnostics** The contactor itself does not provide error codes or diagnostic feedback. If it fails, troubleshooting may require checking wiring, voltage, or other system components, which can be time-consuming.

7. **Environmental Factors** Exposure to moisture, dust, or extreme temperatures can reduce the contactor s lifespan. Ensuring proper installation in a clean, dry environment is critical for longevity.

---

### **Conclusion**

The Rheem 42-102664-15 30A 2-pole 24V contactor is a solid choice for Rheem system owners due to its reliability, ease of installation, and compatibility. It strikes a balance between performance and affordability for medium-duty applications. However, its brand-specific nature and potential for counterfeit parts require careful sourcing. For non-Rheem systems or those seeking cost savings, alternatives like universal contactors may be worth considering, though they may lack the same level of integration.

---

### **Recommendation**

- You own a Rheem-brand water heater, furnace, or HVAC system and need a direct replacement.

- You prioritize compatibility and long-term reliability over generic options.

- You are comfortable with basic electrical work or have a technician available for installation.

- You are working with a non-Rheem system and need a universal contactor (e.g., Honeywell or Lutron models with similar specs).

- You suspect the original failure was due to environmental factors (e.g., moisture, voltage spikes), in which case addressing the root cause may prevent future issues.

- You find a high-quality refurbished or remanufactured Rheem contactor at a significant discount, provided it comes with a warranty.

**Final Tip:** Always verify the part number and check reviews or seller ratings before purchasing to avoid counterfeit products. If unsure about installation, consult a licensed electrician or HVAC technician to ensure safety and proper function.

Details:

Application:- Commercial. It was in working order when taken out of unit. Comments:- This is a used contactor. Shipping and Handling:-USPS.

Specifications:- 30A 2-Pole Contactor 24V w/ Aux, 42-102664-15. Condition: - Used. Brand: - Rheem. Warranty: - just DOA only.

part #: 4210266415 price

• $24.99

specifications hvaapa:

• brand: Rheem
• mpn: 42-102664-15
• compatible brand: Universal
• type: Definite Purpose Contactor
• voltage: 24 V
• amperage: 30 A
• country of origin: United States

returns hvaapa:

• time: 30 Days
• paid by: Buyer
• policy: Returns Accepted
• method: Money back

shipping hvaapa:

• cost: $15.00
• service: USPS Priority Mail Medium Flat Rate Box
• type: Fixed
• class: Expedited
• transit: 3-8 Days
• carrier: USPS

seller hvaapa:

• city: Hopkinsville, Kentucky
• # reviews: 3009
• rating: 99.6%

offer hvaapa:

• quantity: 1
• started: February 24, 2026
• options: Ship-to-home
• best offers: True
• availability: In Stock
• sold: 0

payments hvaapa:

• credit card: Mastercard
• other
• wallet: Paypal

general hvaapa:

• condition: Used
• HVAC Refrigeration > HVAC Refrigeration: Parts Accessories > HVAC Refrigeration: Controls Circuit Boards

Rheem 42-102664-15 Is Similar To:

• 6000-119-501 Protech Rheem Aux Electric Heater Kit Part 662766379990 (17.6% similar) For combined shipping costs on orders over 250. Weber's treasures don't miss out on this great deal...(May 23rd, 2018)
• Rxqj-c05j Rheem New Genuine Kw Electric Strip Heater With 662766380156 (29.9% similar) New genuine Rheem 5 kw electric stria heater with circuit breaker part number RXQJ-C05J 240 vac 60HZ 16,200 btu the rucksack series heat strips can be used as a primary source of or supplementary. This auxiliary electric resistance heater kit is designed for installation in the discharge air ...(April 27th, 2018)
• Rxqj-c10j Rheem Kw Electric Strip Heater Kit With Pullout Disconnect (36.8% similar) Sorry, there is no photo available of the actual product, as it sealed in box. Selling a 10 kw Rheem RXQJ-C10J electric strip heater kit with pullout disconnect, new in the box...(March 2nd, 2019)
• Rheem Sp20715b Used Tested Cleaned (34.4% similar) Packaging and handling: items are safely eds packaged in custom shipping cartons for protection. Rheem SP20715B / used tested cleaned natural gas burner assembly. Call to use a shipping service other than the ones listed. Sells new and surplus product develops channels to purchase such. All products...(August 14th, 2024)
• Rheem 47-102684-01 Defrost Control Board With Sensors (56.4% similar) Universal refrigerant license. Straight cool systems, heat pumps, ductless mini-splits, PAC units, package roof top commercial, Geo thermal, variable drive and more. Duct cleaning certified. This is a used Rheem defrost control board w/sensors 47-102684-01. Nate certified. About this item. Variable ...(August 16th, 2024)
• Rheem 47-102684-08 Defrost Control Board With Sensors (56.4% similar) Nate certified. Duct cleaning certified. Straight cool systems, heat pumps, ductless mini-splits, PAC units, package roof top commercial, Geo thermal, variable drive and more. Universal refrigerant license. About this item. This is a used Rheem defrost control board w/sensors 47-102684-08. Variable ...(August 16th, 2024)
• Rheem ruud 1068-83-3103a Circuit Board 62-23599-05 1068-312-1 Used I51 (21.9% similar) I can offer faster shipping if you inquire about it. Before you purchase the item I can adjust it for. Visual inspection - control electronic selling a used item in working condition that was removed by licensed tech. 3 point inspection...(September 25th, 2024)
• Rheem Ruud Robertshaw 62-22578-01 Hs780 34pl-308a Ignition Control Board Module Used (42.6% similar) You are buying a used Rheem Roberta 62-22578-01 HS780 34PL-308A furnace ignition control board module. The furnace board is a working pull and will come as pictured...(September 28th, 2024)
• Rheem 62-22694-02 Ruud 1012-822 Fan Control Circuit Board Used d729 (49.6% similar) Was in great working condition when removed. Most of the parts require specific knowledge and skills to be installed properly. There is no warranty on used parts. Please see more details from the images attached. Free USPS ground mail delivery guaranteed. Purchasing used parts you agree with the ...(September 30th, 2024)
• Rheem 47-102685-05 Defrost Control Board With Sensors (54.5% similar) Variable drive certified by Trane. About this item. This is a used Rheem defrost control board w/sensors 47-102685-05. Duct cleaning certified. Universal refrigerant license. Straight cool systems, heat pumps, ductless mini-splits, PAC units, package roof top commercial, Geo thermal, variable drive ...(October 1st, 2024)