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No, a model 201 Hot Surface Igniter takes a longer time to reach temperature than a 271. Some controls may be looking to open a gas valve quicker than a 201 can reach temperature if the control is designed for a 271.
While not recommended, the CRYSTAR® and MINI™ IGNITER can both be used to sense flame. It is, however, not always feasible in all applications. Therefore, it is the responsibility of the OEM to determine whether or not to use direct flame sense in their application.
Hot Surface Igniters are made of ceramic. While ceramics are durable, thermally robust materials that perform excellently in high temperature environments, they can, by nature, be brittle and therefore are not well suited to withstand direct impacts.
It has not been proven that body oils have any effect on operating characteristics of Hot Surface Igniters.
It is ok to hold the Hot Surface Igniter by the tip. During the installation process however the recommended way to handle the igniter is by holding the ceramic block, the metal bracket or shield.
The igniter is made of ceramic and is durable when properly packaged and installed. It should be handled with care during the installation process. It is also important to remember that even though the igniter may not still be glowing it can still be hot. You must allow time for it to cool.
The white / gray coating found on Hot Surface Igniters is oxidation.
It would appear that the appliance may be having difficulty proving that the gas has ignited and that a flame is present. Cleaning the flame rod may improve performance.
First check to see if the gas line has been turned off. If there are no problems with your gas line, the igniter may have aged out of specification. A new igniter with higher current or a new gas valve may be required.
Yes, the MINI Igniter is stronger than the CRYSTAR Igniter for two main reasons. First, the MINI Igniter is a denser product due to the differences in materials and manufacturing processes, and second the geometry is less complex.
Don’t let your eyes fool you! The failure mode often referred to as a crack is commonly caused by a burnout of the heating element. This same failure mode happens with the Silicon Nitride igniters. However with the Silicon Nitride igniters the heating element is sandwiched between pieces of Silicon Nitride so the burnout or crack is just not visible. In this case the Silicon Nitride igniter will just not glow.
The heating element of an igniter is similar in many respects to the filament in a light bulb. After a while the heating element may burn out as the filament in the light bulb does and this may appear as a crack or a hole in the element. The difference between the Silicon Carbide and Silicon Nitride igniters is that with the Silicon Carbide igniter things are out in the open for you to see.
Hot Surface Igniter life depends on application. Operating voltage, igniter temperature and contamination from the application environment can all affect life. Saint-Gobain is committed to continuous improvement for both our manufacturing process and our product development. New advances in materials research and processing have already made available longer lasting igniters.
Hot Surface Igniters are made of advanced ceramic materials. Different ceramic materials are used to improve the aging, strength, and operating characteristics of the igniters.
Hot Surface Igniters can be purchased from your local appliance service center or HVAC service center. Look for a Robertshaw, Uni-Line or White-Rogers dealer as they carry most replacements.
Saint-Gobain Igniter Products can provide you with a variety of voltages to fit almost any application. Typical voltages are 12v, 24v, 120v, 220v, 230v and 240v.