ROBERTSHAW 100-00812-06 Ignition Control Module HS780 34NL-308A

( Brand: Robertshaw ), ( Manufacturer Part Number: 100-00812-06 ), ( Model: HS780 34NL-308A ), ( Part Type: Ignition Control Module )

Review ROBERTSHAW Ignition Control Module

The **Robertshaw 100-00812-06 HS780 34NL-308A Ignition Control Module** is a high-performance, precision-engineered component designed to serve as the critical interface between a gas appliance s control system and its ignition mechanism, ensuring reliable and efficient operation across a wide range of residential and commercial applications. This module is specifically engineered for use with Robertshaw s advanced electronic ignition systems, particularly those found in modern furnaces, boilers, and water heaters, where consistent and responsive ignition control is paramount. Built with robust construction, the HS780 features a compact yet durable housing that protects its internal circuitry from environmental stressors such as moisture, dust, and temperature fluctuations, making it ideal for installation in tight spaces or within enclosed control panels. At its core, this ignition control module incorporates a sophisticated microcontroller and solid-state relays that work in tandem to precisely regulate the timing, voltage, and current delivered to the ignition electrode, ensuring a clean and dependable spark for reliable combustion initiation. The **34NL-308A** designation indicates its compatibility with specific gas valve and control board configurations, allowing for seamless integration into existing Robertshaw systems without the need for extensive wiring modifications. Whether used in a high-efficiency condensing furnace or a commercial-grade boiler, this module guarantees consistent performance under varying load conditions, reducing the risk of misfires, delayed ignition, or operational failures that could lead to safety hazards or inefficient energy consumption. Its design also incorporates fail-safe mechanisms to prevent unintended gas flow in the event of a control failure, adhering to strict industry safety standards. For technicians and HVAC professionals, the HS780 offers a reliable, long-lasting solution that minimizes downtime and maximizes system efficiency, making it an indispensable component for maintaining the optimal performance of modern gas-fired appliances.

### **Pros and Cons of buying a Robertshaw 100-00812-06 (HS780 34NL-308A) Ignition Control Module**

1. **Direct OEM Replacement** This part is designed as an original equipment replacement for specific gas furnace models, ensuring compatibility with the manufacturer s specifications. This reduces the risk of installation issues or poor performance compared to aftermarket knockoffs.

2. **Reliability** Robertshaw is a well-known brand in HVAC and furnace components, known for producing durable and dependable parts. The HS780 series is commonly used in residential and light commercial gas furnaces, suggesting a track record of functionality.

3. **Warranty Coverage** Many authorized sellers (including Robertshaw or authorized distributors) offer warranties, which can provide peace of mind in case the part fails prematurely. Check the seller s warranty terms before purchasing.

4. **Ease of Installation** Since this is an OEM part, it should fit seamlessly into the existing wiring and mounting setup of your furnace. No major modifications are typically required, making it a straightforward upgrade or replacement.

5. **Compatibility with Control Systems** The HS780 module is designed to work with specific furnace control boards and thermostats, reducing the likelihood of compatibility issues that can arise with non-OEM parts.

6. **Energy Efficiency** A properly functioning ignition control module ensures efficient ignition and combustion, which can improve the overall performance and energy efficiency of your furnace.

7. **Prevents Costly Damage** If your furnace s original ignition control module is failing, replacing it with this part can prevent further damage to other components (such as the gas valve or control board) that may result from prolonged malfunction.

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1. **Limited Availability** OEM parts like this may not be as widely stocked as aftermarket alternatives. You may need to order from a specialized HVAC supplier, which could result in longer wait times or higher shipping costs.

2. **Higher Cost Compared to Aftermarket** OEM parts are generally more expensive than generic or third-party replacements. If your budget is tight, you may need to weigh the cost against the potential benefits.

3. **Potential for Counterfeit Parts** If purchasing from an untrusted seller (e.g., eBay, Amazon third-party sellers, or unknown online marketplaces), there is a risk of receiving a counterfeit or low-quality replica. Always buy from authorized distributors or reputable HVAC suppliers.

4. **Requires Professional Installation (Recommended)** While the part itself is straightforward to install, improper handling (e.g., incorrect wiring, damage to terminals) can render it ineffective or even dangerous. If you lack experience with furnace repairs, hiring a licensed HVAC technician is advisable.

5. **May Not Solve Underlying Issues** If your furnace s problems stem from other components (e.g., a faulty gas valve, clogged burners, or a failing control board), replacing just the ignition control module may not resolve the issue. A thorough diagnosis is essential before purchasing.

6. **Compatibility Verification Needed** Always double-check that this specific part number (100-00812-06) matches your furnace s model and year. Mixing up part numbers can lead to wasted money and downtime.

7. **Potential for Obsolescence** Older furnace models may have parts that are harder to source over time. While this part is still widely available, future repairs could become more difficult if your furnace is outdated.

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### **Conclusion**

The **Robertshaw 100-00812-06 (HS780 34NL-308A) Ignition Control Module** is a high-quality, OEM-replacement part that offers reliability, compatibility, and peace of mind for furnace owners. Its advantages such as direct compatibility, brand reputation, and warranty coverage make it a strong choice for those seeking a long-term solution. However, the higher cost, potential availability issues, and the need for careful sourcing (to avoid counterfeits) are factors to consider.

If your furnace is experiencing ignition failures, pilot light issues, or error codes related to the ignition system, this part is a **recommended replacement** provided you verify its compatibility with your exact furnace model and purchase it from a trusted source. For best results, consult an HVAC professional to confirm the issue and ensure proper installation.

- **Buy from an authorized Robertshaw distributor or a reputable HVAC supply company** (e.g., HVAC Supply, Grainger, or local HVAC wholesalers) to avoid counterfeit parts.

- **Confirm your furnace s exact model and year** before purchasing to ensure the part number matches.

- **Consider professional installation** if you are not experienced with furnace repairs to guarantee correct wiring and functionality.

- **Check for warranties** and return policies in case the part fails or does not fit as expected.

- **If budget is a concern**, explore aftermarket alternatives (e.g., similar HS780-compatible modules from brands like Honeywell or Lennox) after verifying compatibility, though OEM parts are generally safer for long-term use.

For most homeowners, the **pros outweigh the cons**, making this a sound investment for restoring proper furnace operation.

Details:

Good used part. Robertshaw HS780 34NL-308A. Ignition Control Module 100-00812-06.

part #: 1000081206 prices

• $49.00-$80.00

specifications hvaapa:

• brand: Robertshaw
• mpn: 100-00812-06
• model: Hs780 34nl-308a
• part type: Ignition Control Module

seller hvaapa:

• # reviews: 82
• rating: 100.0%
• city: Akron, Indiana

returns hvaapa:

• policy: No Returns

offer hvaapa:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: April 28, 2026
• quantity: 1

shipping hvaapa:

• service: USPS Ground Advantage
• class: Standard
• cost: $0.00
• transit: 4-10 Days
• type: Calculated
• carrier: USPS

general hvaapa:

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

payments hvaapa:

• wallet: Apple-pay
• credit card: Discover
• other

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