Rheem furnace error code 55


Where is the pressure switch on a Rheem furnace?

A furnace pressure switch is a safety device located near the draft inducer motor of a gas forced-air furnace.

How can I tell how old my Rheem furnace is?

In order to calculate the age of your furnace, all we need is your Furnace’s serial number. Once you’ve located your Furnace’s serial number simply enter it in, click the “Check Serial Number”, and our calculator will let you know just how old your Rheem furnace really is.

How long do Rheem furnaces last?

around 15-20 years
The expected life span of a furnace has a direct relation to how well it is maintained, whether or not it was installed properly and how often it is used. Generally, you can expect a properly installed and well maintained furnace to last around 15-20 years.

Do all furnaces have a reset button?

All furnaces are equipped with a reset button. They are generally red or yellow and are located inside the blower compartment. The reset button is a safety feature that will shut down the furnace when a problem is detected, often a hot or overheating furnace, before it trips the circuit breaker.

Why is my pressure switch stuck open?

The most likely reason that your pressure switch is stuck open is due to: Obstructed venting (chimney/flue pipe) Disconnected or clogged pressure switch hose. Malfunctioning pressure switch.

How much does it cost to replace a pressure switch on a furnace?

Pressure Sensor
There are two types, high and low-pressure switches, for different kinds of furnaces. They prevent the flame from lighting if there is a buildup of gas that could be dangerous. The cost of replacing this switch can range from $40-$350, depending on the type of switch.

What happens when a furnace pressure switch goes bad?

If the control board determines that the inducer motor has been running for an allotted amount of time and the pressure switch has not closed, it will lock out the furnace and go into a fault situation. It also locks out into fault if the switch opens enough times while the flame is lit.

Why is yellow light flashing on my furnace?

What it means: If you’re wondering, “What does the yellow light on my Carrier furnace mean?” it signifies that the furnace is stuck in high-fire mode. The high-fire mode should only operate for short periods of time to heat a very cold house faster.

What does a yellow blinking light mean on a carrier furnace?

If you see 1 amber/yellow flash, this means that everything is okay and the thermostat is signaling the need for cooling. If 4 amber/yellow flashes appear on your York Furnace, it means that the heating of your system may be somewhat restricted.

How do you fix a furnace lockout?

Most modern gas furnaces can be reset by turning off the power, waiting around 20 seconds, then switching the power back on. Other furnace models may exit lockout after 1-2 hours and attempt to power on again. If your furnace has a pilot light, you may need to relight it following the manufacturer’s instructions.

Are Rheem furnaces any good?

Rheem gas furnaces are a great choice thanks to their reliability and long term warranty options. The brand also offers a great range of gas furnaces and different price points, with plenty of features to justify the higher prices in their Prestige Series.

How long should a furnace last?

approximately 15-20 years
How Long Does a Furnace Typically Last? The average lifespan of a gas furnace is approximately 15-20 years.

How do you read a furnace serial number?

Look at the first four digits of the serial number once you find it. The first two digits can be the week of the year that the unit was manufactured, with the third and fourth number indicating the year. A serial number starting with 0193, for example, may have been made the first week of 1993


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