Personally, I wouldn’t have an appliance that a child get burned from unless it has a barrier or screen around it for protection.
Page 67
https://www.daycare.com/california/family.pdf
The home shall be free from defects or conditions which might endanger a child. Safety precautions shall include but not be limited to:
(1) Fireplaces and open-face heaters shall be screened to prevent access by children. The home shall contain a fire extinguisher and smoke detector device which meet standards established by the State Fire Marshal.
(2) Gas heaters shall be properly vented and permanently installed.