
768A-843 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $54.91 | Condition is New, WHITE-RODGERS 768A-843 OEM REPLACEMENT NITRIDE HOT SURFACE, FREE SHIPPING | 98.6% |
![]() | $60.80 | Condition is New, Emerson 768A-843 Hot Surface Ignitor, 80V, Silicon Nitride, FREE SHIPPING | 99.5% |
![]() | $65.64 | Condition is New, Emerson 768A 843 Hot Surface Ignitor, 80V, Silicon Nitride yellow , FREE SHIPPING | 99.0% |
![]() | $68.99 | Condition is New, 768A 843 Hot Surface Ignitor, 80V, Silicon Nitride, FREE SHIPPING | 99.3% |
![]() | $71.99 | Top Pick! Condition is New, 768A 843 Hot Surface Ignitor, 80V, Silicon Nitride, FREE SHIPPING | 99.8% |
![]() | $72.99 | Top Pick! Condition is New, 768A 843 Hot Surface Ignitor, 80V, Silicon Nitride, FREE SHIPPING | 99.7% |
![]() | $72.99 | Top Pick! Condition is New, 768A 843 Hot Surface Ignitor, 80V, Silicon Nitride, FREE SHIPPING | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $24.00 | Condition is New – Open box, White Rodgers 768a-843 Silicon Nitride Hot Surface Ignitor, shipping cost = $5.50 | ![]() |
![]() | $30.00 | Condition is New – Open box, White Rodgers 768a-843 Silicon Nitride Hot Surface Ignitor, shipping cost = $16.50 | 100.0% |

The Emerson 768A-843 Ignitor is a premium ignition system component designed for industrial applications that require reliable and consistent combustion. This ignitor, specifically model 768A with part number 843, is engineered using advanced silicon nitride technology, which provides superior performance and longevity.
The 768A-843 Ignitor operates on a 80V AC power supply and is designed to ignite various types of fuels, including natural gas, propane, and oil. Its ignition electrode is made of silicon nitride, a material renowned for its excellent thermal shock resistance, high melting point, and resistance to thermal fatigue. This makes the ignitor ideal for high-temperature environments and applications that demand frequent ignition cycles.
The ignitor is compact and lightweight, featuring a streamlined design that facilitates easy installation and replacement. Its robust construction ensures reliable operation even in harsh industrial conditions, and its long service life minimizes downtime and maintenance requirements.
The Emerson 768A-843 Ignitor's advanced design also includes a built-in safety feature, which monitors the ignition voltage and interrupts the power supply if the voltage drops below the required level for proper ignition. This helps prevent misfires and other potential safety hazards, making the ignitor an indispensable component for any industrial combustion system.
In summary, the Emerson 768A-843 Ignitor is a superior ignition system component that offers unmatched performance, reliability, and safety. Its advanced silicon nitride technology, compact design, and built-in safety features make it an ideal choice for industrial applications that demand consistent and reliable combustion.
Pros and Cons of Buying Emerson 768A-843 Ignitor 80V Silicon Nitride
Introduction:The Emerson 768A-843 is a 80V silicon nitride ignitor designed for use in industrial applications such as combustion systems. Like any other product, it has its advantages and disadvantages. In this analysis, we will discuss the key pros and cons of purchasing a Emerson 768A-843 ignitor.
Pros:1. High Voltage Capability: The Emerson 768A-843 ignitor can generate an 80V output, making it suitable for high-voltage applications where standard ignitors might not be effective.
2. Long Life Span: Silicon nitride technology used in this ignitor provides a longer life span compared to traditional ceramic ignitors.
3. Improved Reliability: The 80V silicon nitride ignitor offers improved reliability due to its robust design and material properties.
4. Low Maintenance: The Emerson 768A-843 has a low maintenance requirement, reducing the need for frequent replacements and associated downtime.
5. Energy Efficient: This ignitor is known for its energy efficiency, which can lead to cost savings over time.
Cons:1. Higher Initial Cost: The Emerson 768A-843 ignitor has a higher initial cost compared to standard ceramic ignitors.
2. Limited Compatibility: Due to its high voltage output, this ignitor may not be compatible with all combustion systems, which could limit its application.
3. Complex Installation: The installation process for the Emerson 768A-843 might be more complex than that of standard ignitors due to its higher voltage and specific requirements.
4. Potential for Higher Replacement Cost: If the ignitor fails, the replacement cost for a high-voltage silicon nitride ignitor like the Emerson 768A-843 could be higher than a standard ignitor.
Conclusion:The Emerson 768A-843 80V silicon nitride ignitor offers several advantages, including a longer life span, improved reliability, low maintenance, and energy efficiency. However, it also comes with some disadvantages, such as a higher initial cost, limited compatibility, and potentially complex installation.
Recommendation:The Emerson 768A-843 ignitor is an excellent option for industrial applications that require high-voltage ignition, such as those using oil or gas combustion systems. Its energy efficiency and low maintenance make it a cost-effective solution in the long run. However, it is essential to consider the initial cost, compatibility, and installation requirements before making a purchase. If the application does not require a high voltage ignitor or if the complexities of installation outweigh the benefits, a standard ignitor may be a more suitable and cost-effective choice.
Details:
Brand: Emerson. Country of origin: mexico. Is discontinued by manufacturer: no. Batteries included?: no.
Material: silicon nitride. Emerson 768a 843 hot surface ignitor, 80v, silicon nitride: manufacturer: white-Rodgers. Compatible devices: all. This ignitor must be used with hot surface ignition for residential furnaces silicon nitride replacement only.
Part number: 768A-843. Item model number: 768A-843. Included components: ignitor. Product dimensions: 5.9 x 2.1.6 inches.
Batteries required ?: no.
specifications maxohvac:
- brand: Emerson
- mpn: 768a-843
- part type: Ignitor
- item weight: 0.96 Ounces
- product dimensions: 5.9 X 2.1 X 1.6 Inches
- country of origin: Mexico
- is discontinued by manufacturer: No
- material: Silicon Nitride
- voltage: 80 Volts
- compatible devices: All
payments maxohvac:
- wallet: apple-pay
- credit card: discover
- other
returns maxohvac:
- paid by: buyer
- policy: returns accepted
- time: 30 days
- method: money back
shipping maxohvac:
- transit: 4-7 days
- service: standard
- class: standard
- type: fixed
seller maxohvac:
- city: suffern, new york
- # reviews: 33
- rating: 88.4%
offer maxohvac:
- prices: $24.00–$72.99
- item condition:
- New
- New – Open box
- sold #: 21
- started: march 21, 2025
- availability: in stock
- in stock #: 5
- options: ship-to-home
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration









