
21D131200P05 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $197.00 | Condition is Used, RLY00902 Trane Control Relay 21D131200P05 By Potter & Brumfield, shipping cost = $3.95 | 99.8% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $179.00 | Top Pick! Condition is For parts or not working, Trane Control Relay 21D131200P05 By Potter & Brumfield RLY00902, shipping cost = $6.07 | 100.0% |



The Trane 21D131200P05 RLY00902 Control Relay, manufactured by Potter Brumfield, is an essential component for any HVAC system. This control relay is designed to work seamlessly with Trane's heating and cooling units, ensuring reliable operation and efficient performance.
The Trane 21D131200P05 RLY00902 Control Relay is a high-quality, heavy-duty component, built to withstand the rigors of continuous use in HVAC systems. It features a robust construction, with a die-cast aluminum housing that provides excellent heat dissipation and protection against corrosion. The relay's contacts are made of gold-plated copper for superior conductivity and durability, ensuring reliable operation even under heavy load conditions.
The Trane 21D131200P05 RLY00902 Control Relay is designed to switch electrical circuits on and off based on the signals received from the HVAC system's control board. It features multiple relay contacts, allowing for flexible and customizable wiring configurations to meet the specific needs of different HVAC systems. The relay also includes built-in diodes to protect against back EMF, ensuring a long lifespan and reliable performance.
The Trane 21D131200P05 RLY00902 Control Relay is easy to install and replace, with clear labeling and detailed instructions included in the packaging. It is compatible with Trane's XL10i, XL16i, and XL18i systems, as well as other HVAC systems that use a similar relay.
In summary, the Trane 21D131200P05 RLY00902 Control Relay is a high-quality, reliable, and versatile component for HVAC systems. Its robust construction, gold-plated copper contacts, and built-in diodes ensure reliable performance, while its flexible wiring configurations and easy installation make it a convenient and cost-effective solution for HVAC repairs and upgrades.
Pros of buying Trane 21D131200P05 RLY00902 Control Relay (Potter Brumfield):1. Compatibility: This control relay is specifically designed for Trane HVAC systems, ensuring a seamless fit and function.
2. High-quality components: Potter Brumfield is a reputable manufacturer known for producing durable and reliable parts. This relay is likely to have a long lifespan.
3. Easy installation: The relay may come with clear installation instructions, making it easier for homeowners or HVAC professionals to install it themselves.
4. Availability: Since it's a commonly used part, replacements should be easy to find and purchase.
Cons of buying Trane 21D131200P05 RLY00902 Control Relay (Potter Brumfield):1. Potential high cost: While the relay may be essential for your Trane HVAC system, it might be more expensive than other relays or brands.
2. Limited customization: Since it's a specific model for Trane systems, it may not offer as many customization options as a more versatile relay.
Conclusion:If you own a Trane HVAC system and are experiencing issues with the control relay, it's essential to replace it with a compatible part. The Trane 21D131200P05 RLY00902 Control Relay (Potter Brumfield) is an excellent choice due to its compatibility, high-quality construction, and ease of installation. While it may be more expensive compared to other relays, the long-term reliability and seamless integration with your Trane system can make it a worthwhile investment.
Recommendation:If you're looking for a reliable control relay for your Trane HVAC system, we highly recommend the Trane 21D131200P05 RLY00902 Control Relay (Potter Brumfield). Ensure you purchase it from a trusted supplier to ensure its authenticity and quality.
Details:
Specific furnaces I've recovered this part from. RLY00902 Trane 21D131200P05 control relay. Recovered from a working furnace that was decommissioned for upgrading. 30 day warranty begins on first of delivery.
Important: Trane utilized many different potter brumfield relays in the furnaces they manufactured within era this one shown has come from later 1980 's. Trane m/n: tup080b936a0 made 1987. Please excuse all dust and dirt from prior use.
specifications centrafurn:
- brand: Trane
- mpn: 21d131200p05
- type: Central Furnace
- country/region of manufacture: United States
seller centrafurn:
- city: saint louis, missouri
- rating: 98.3%
- # reviews: 3400
payments centrafurn:
- wallet: paypal
- other
- credit card: visa
shipping centrafurn:
- class: standard
- service: usps first class
- carrier: usps
- transit: 4-6 days
- type: fixed
returns centrafurn:
- policy: no returns
general centrafurn:
- category: Home & Garden > Heating, Air > Cooling Systems > Central Furnaces
offer centrafurn:
- in stock #: 2
- started: july 14, 2024
- prices: $179.00–$197.00
- item condition:
- Used
- For parts or not working
- sold #: 34
- options: ship-to-home
- availability: in stock
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