5amp fuse keeps blowing

SOURCE: I have an American Standard

EIther the valve is faulty or the ingiter is corroded or faulty. The inside of the ingniter has a shaft with a probe that keeps heated so it can ignite. It can be corroded.

SOURCE: How doI replace the motherboard

Hello, to replace the intergrated control board on your furnace you need to turn off main power to your furnace, then label the wires so you will know where they go on the new board. Then just take the old board to a hvac supply store and they will give you a replacement and just connect the wires to it and turn on Furnace.

SOURCE: I changed the furnace filter

does anything happen, i door that you removed might have a kill switch on it so if the door comes off or is not installed right the furnace wont light, let me know and maybe i can help. wally

SOURCE: I have a American Standard

Hello, The only time pvc is allowed is if the Furnace is 90% or greater in effiecency, the combustion gases are cooler due to the fact that two heat exvhangers are used. One pipe will be you air intake and the other the exhaust and they can be routed through the roof or sidewall. If the Furnace is 80% then you must use double wall vent pipe and have it connected to either a liner in a chimney or routed through a roof but pvc can not be used.

SOURCE: UNIT: American

What or why is there a red blinking light on front of the unit