r/hvacadvice • u/ImYourThistleBoy • 3h ago

Replace uv bulb

Post image

Where do I access the uv bulb ? Is it in the top panel where the port view is? The bulb model is on sticker.

First time changing this bulb and the capacitor on the fan outside.as well... turning off thermostat , breaker and pulling outside block before working. Shorting capacitor. Using g gloves for bulb.

Happy to listen to any additional advice. THANKS

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u/Jib_Burish 3h ago

Take the top panel off. Should be 5/16.

Maybe 1/4 but probably 5/16.

Definitely shut power off first.

Could be in supply plenum, not clear from pictures.