Zerostart tank type engine heaters

[DukeBoy88]

Anyone using one of these? I was looking at the 1500watt model in JC whitney. part number ME540692. Or if you have good experience with another brand or model let me know. thanks in advance.

 

[85k5dsl]

Found it Napa has something very close.
http://napaonline.com/masterpages/NO...nk+Circulation