Emerson 768A 815 Hot Surface Ignitor 80V - Reliable Replacement

In this review of the Emerson 768A 815 hot surface ignitor, the bottom line is simple: it is a straightforward, well-fitting silicon nitride replacement for residential furnaces that prioritizes easy installation and reliable ignition. Technicians and DIY homeowners looking for a direct, functional replacement will appreciate the clear fit and white Teflon leads, while those needing long-term durability should weigh mixed user reports. The ignitor's single biggest reason to buy is its accurate fit and compatibility with hot surface ignition systems, making it a practical choice for routine furnace repairs.

Key Features

• Silicon nitride 80V: Provides consistent heat for hot surface ignition, ensuring dependable burner starts when installed correctly.
• 2 terminal amp receptacle: The 083-in female sockets make electrical connection straightforward and compatible with standard furnace harnesses.
• White Teflon coated leads: Insulated leads resist heat and make routing inside the burner compartment easier for safe installation.
• Designed for residential furnaces: Built specifically to replace silicon nitride ignitors in home heating systems, simplifying parts matching.
• Country of Origin Mexico: Clear origin labeling helps buyers confirm sourcing and consistency in manufacturing.

Who It's For

The Emerson 768A 815 is best for HVAC technicians and experienced DIY homeowners who need a direct replacement ignitor for residential hot surface ignition systems and value an accurate fit and simple electrical connection. It is particularly useful when the furnace requires an 80V silicon nitride element and a 2-terminal amp style receptacle.

Those who rely on components for heavy commercial use or expect long multi-year lifespans under continual operation should consider higher-duty or OEM options, since a number of customers reported shorter durability in some installations. If longevity under heavy cycling is critical, investigate warranties or alternate heavy-duty ignitors.

Pros & Cons

Pros

• Easy to install with white Teflon leads that route cleanly and a snap-in fit on compatible furnaces.
• Accurate fit for many models, including reported compatibility with Trane XV units, reducing installation time.
• Good value and quality feel for a replacement part, offering dependable ignition when working properly.

Cons

• Some customers reported limited durability, with failures occurring within a month in a few cases, so longevity can be variable.

Specifications

Brand	Emerson
Model	768A 815
Element type	Silicon nitride, 80V
Connector	2 terminal amp receptacle with 0.083-in female sockets
Leads	White Teflon coated leads
Intended use	Hot surface ignition for residential furnaces
Country of origin	Mexico

Our Verdict

The Emerson 768A 815 is a practical, easy-to-install replacement ignitor that delivers reliable ignition and a precise fit for many residential furnaces, making it a good value for routine repairs. While several users praised installation and functionality, potential buyers should be aware of mixed reports on durability and consider replacement frequency when choosing this part.

Frequently Asked Questions

Is this ignitor a direct replacement for silicon nitride elements?
Yes, it is specified as a silicon nitride 80V replacement intended for hot surface ignition in residential furnaces.

What kind of connector does it use?
It uses a 2 terminal amp receptacle with 0.083-in female sockets for standard furnace harnesses.

Are the leads insulated for safety?
Yes, the unit includes white Teflon coated leads that provide heat-resistant insulation for routing inside the furnace.