# Chamber Preheat

**URL:** <https://forum.sovol3d.com/t/chamber-preheat/8057>\
**Category:** Sovol Zero\
**Created:** [June 13, 2025, 6:53am UTC](https://forum.sovol3d.com/t/chamber-preheat/8057 "2025-06-13T06:53:30Z")\
**Posts on this page:** 1\
**Showing post:** 29

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**Author:** ![bircoe](https://avatars.discourse-cdn.com/v4/letter/b/a3d4f5/32.png) [@bircoe](https://forum.sovol3d.com/u/bircoe)\
**Post date:** [June 21, 2025, 1:24am UTC](https://forum.sovol3d.com/t/chamber-preheat/8057/29 "2025-06-21T01:24:50Z")

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> [@cardoc](#):
>
> Be careful adding 24V loads to the Zero power supply, it hasn’t much spare capacity.

I plan on powering externally, the standard power supply is only 150W so I had no intention of running a heater from it.

There are 220V (and presumably 110V) PTC’s in what looks to be the same form factor pretty cheap:

 ![image](https://canada1.discourse-cdn.com/flex030/uploads/sovolforum/original/2X/5/5d8d8a51aca1eee96e0bd72cb8b95e2ec4379372.jpeg)

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