Zerostart Series 8000 Inline Coolant Circulation Heater 5/8" Hose 1500W

5 stars for excellent customer service! Ordered, installed, it seemed to be working, and a couple days later not working. Requested replacement. Thought I'd have to rig a bypass to keep my 2000 New Beetle on the road while I shipped the original back and awaited replacement. The next day the replacement showed up which totally surprised me and made the replacement painless. New one is working good!

Was exactly what was shown in the picture and it fit perfectly

I installed this on my 2009 Isuzu NRR rollback and I'm somewhat satisfied. It installed easily in the heater hose line. However I only gave it 3 stars because it doesn't perform too well on the coldest of days. It'll recirculate a small amount of water and keep the motor warm but it's usually not enough to get the temp gauge to move. It'll provide a small burst of heat in the cab but it slowly dissipates once the truck is running. I guess it's better than no block heater/water recirulator at all.

Very disappointed - If you are purchasing this heater expecting it to "circulate" coolant while it is heating like I did it you are as wrong as I am. There is no circulation pump, it does not circulate any coolant on it's own. It heats up what is in the reservoir and that is it, I fully expect this unit to burn up in short order like the last one did. The cord is only about 12" long but I expected that as I can see that in the picture but when it says "Circulation Engine Heater" I did expect it to circulate. :(

This hard to find housing option was just the trick when I needed to replace an older leaking unit. All the other water heaters have what seems to be a sturdy steel shell with end caps for a design, but they collapse if you move your heater hose lines for any reason, after a season or two. This cast aluminum casing can take the abuse of an old truck engine, and it's much better for the clamping mechanism, since over-tightening isn't an issue. My only complaint is that the 120V power supply cord is as short as the picture shows, requiring a dedicated heavy duty extension cord in order to plug in the unit without opening the hood.

being a mehanic 30 years thisis a awsome product and due to volkswagen desighn one of the few products that would work on my 2000 vw beetle tdi diesel it works great car started just like i shut it of only moments before" and i had heat as well on startup imediatley best of all only took 1 hour or less to work""""

Will usr on my can tractor to plug n when temps r really cold, will make it easier to start

Installed as directed by the manufactures instructions by a certified mechanic on an 85 Chevy pickup. The pump gets really hot but doesn't actually move any fluid. I'm attempting to get a refund at this point.

We had been using the 750W version of this block heater on a Nissan Deisel Generator for a highrise building. The 750W version was not keeping up during the coldest times of the Canadian winter here is Saskatchewan. Installed the 1500W version and immediately saw a difference in the engine temperature. However with the extreme cold of -31C with a wind chill that drops temperatures to -45C the 1500W block heater is still keeping the engine temp at around 135F. This not an ideal engine temp for the application but is acceptable. We do not expect any issues with starting the generator during these extreme cold conditions.

Warms up my little tractor. Replaced a similar one that was throwing the breaker due to a short. This one works as good as the old one.

2月28日に到着しました。 他の仕事で忙しく動作確認は 出来ていませんがやりたいとは思います。

Nice little heater for a truck. Easy installation and works great.

Works as described and good value