NHC 250 Block Heater Inst.(PICS)

[Stein12501]

I don't know if this would help. This is what I used on the deuce.

https://www.koldban.com/ProductDetails.asp?ProductCode=20021

 

[peter34668]

Thanks for the info here. Using the information I found here I was able to find one on ebay for $30.

 

[hank2424]

I installed the same heater and mine only gets warm and not hot, seems like it now leaks a bit from thermostat housing. Could it be touching the block maybe?

 

[Neophyte]

I installed the same heater and mine only gets warm and not hot, seems like it now leaks a bit from thermostat housing. Could it be touching the block maybe?

I had the same problem. Tighten the nut on the receptacle and it should stop the leak (I believe there is a gasket on the backside that won't seal unless that nut is tight).

 

[2mtrucks]

I had the same problem. Tighten the nut on the receptacle and it should stop the leak (I believe there is a gasket on the backside that won't seal unless that nut is tight).

You are correct...the next one I install I will be sure to tighten the element BEFORE I install the plate.

 

[acme66]

I put a tank type 'percolator' heater on mine. I know it isn't as nice slick or efficient as an in block heater but I did have it on the shelf. The thing was designed for big ag tractors and is stupid large. I think it pulls 12+ amps, it is retarded big. 2 hours chugging away and the bock is hot to the touch, like 150 or better hot. Here is a general question however. A few of us were hashing out pre-lube on another thread... I don't heat my engine oil, anyone foresee issues of -10 oil entering an engine that is within 75 degrees of operating temperature when I start it? I suppose it will get some radiant heat from the block but... I worry too much when I start to think about things.

Ken

 

[rangereter]

Ken,
I think you are right..you are worrying too much.
Regards, Bob

 

[ichudov]

3 degrees today, 5 hours plugged in, started up on 1st crank.

7 degrees today. My M923A2 started on the fourth crank without the block heater.

 

[Neophyte]

7 degrees today. My M923A2 started on the fourth crank without the block heater.

Newer technology.

 

[6wdcummins83]

I just picked mine up today at carquest but doesn't come with bolts/screws what size do they take or does it use the old ones?

 

[Swamp Donkey]

I just picked mine up today at carquest but doesn't come with bolts/screws what size do they take or does it use the old ones?

You reuse the bolts from the inspection plate. If you want new bolts, they are standard 1/4" coarse thread bolts.

 

[Spyderman]

I cant wait to install one on my truck. Been shopping around for the best price. Should have bought the one on that auction site for $24.99.

 

[allie]

For those with the 855 Cummins that encounter cold tempuratures, here are some pics of the required block heater. It can be purchased in 120V or 220V. The latter would draw less amps but would limit you on where you could plug in. The element is 1,500 Watts and the power cord is long enough so that you don't have to extend it.

When looking in the coolant tank, it looked like it was "Ecto Cooler" fresh but when the side plate was removed the coolant was black. Give those engine blocks prunes you guys

There are two locations on the passenger side of the block where one can be installed. We chose the front location as access was easier. The coolant hose in the picture does not have to be removed.

On a side note: Installing two more 1,100 CCA batteries has shown a huge improvement in cranking ability.

How did you get that plug out? punch and hammer it?

 

[juanprado]

The best one to use goes on the passenger side of the block replacing the existing plate in the water jacket. Bolt off plate/ bolt on heater.

No freeze plugs involved.

 

[Wreckclues]

Installed mine in the rear most passenger side plate with the heating element pointing aft. Easiest location, didn't have to move anything and it keeps my block toasty. However, the instruction photo implies there are two types of heaters depending on which port you use. One where the element points forward, the other pointing aft. For the life of me I couldn't adjust the element.

 

[swbradley1]

Put this up for people that do not want to go thru the whole thread. (like me)

8601046 ZeroStart Cummins Engine Block Heater 1500W 120V

8601046 ZeroStart Cummins Engine Block Heater 1500W 120V <br />Engine Block Heaters are used to heat the engine block and engine fluids of gas and diesel vehicles as an aid to starting in cold weather. The heater is operated using standard household AC power and the heat generated is distributed...

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