[Greenbuilding] Chase Fan and Differential Thermostat

[Norbert Senf]

At 12:16 PM 10/3/2007 -0400, Eli wrote:
>(snip) I also need an air differential
>thermostat to turn fan on when crawl space is 15 degrees +- less than heat
>chamber.  (snip)

Here's a differential controller that works well for water - should
work for air also:
http://www.thermomax.com/BTU_Meter.php

Norbert

-------------------------------------------
Norbert Senf---------- mheat(at)heatkit.com
Masonry Stove Builders
25 Brouse Rd.
RR 5, Shawville------- www.heatkit.com
Québec J0X 2Y0-------- fax:-----819.647.6082
---------------------- voice:---819.647.5092