use only the single heat option in the 421D. My house is 70 degrees year round, and the heat is set on a proportional thermostat to 90. This leaves a large gradient for my boas, and I haven't had problems with it.

Make sure you get a good thermostat, I recommend Helix DBS1000 or Herpstat digital proportional.

[ Hide Replies ]

• Boaphile cage options - DanW, Mon Mar 20 16:45:55 2006
• RE: Boaphile cage options - drasticplastic, Mon Mar 20 19:44:37 2006
• My Boaphiles... - ChrisGilbert, Mon Mar 20 21:59:07 2006
• Please give a thermostat how to ... More - inletexotics, Mon Mar 20 22:53:44 2006
• RE: Please give a thermostat how to ... More - rainbowsrus, Tue Mar 21 01:45:28 2006
• RE: Please give a thermostat how to ... More - ChrisGilbert, Tue Mar 21 07:45:19 2006
• Hey Chris, - jasongonzo, Mon Mar 20 23:08:32 2006
• Jason... - ChrisGilbert, Tue Mar 21 07:47:53 2006
• RE: Boaphile cage options - tex959, Tue Mar 21 11:27:52 2006