Product Description
Inline Coolant Bypass Thermostat for UTV Heaters - Ice Crusher MaxStat
2025 Redesign! - Our redesigned Brass MaxStat is 30% more compact simplifying installation. The new design also eliminates the need for rubber O-rings that can fail over time. Lastly, coolant flow is critical for a high functioning heater installation. The MaxStat now comes in Arm and Elbow configurations to direct the output hose in the most efficient way possible.
Note: 44mm MaxStat refers to the flange size of the thermostat, not the port size.
The MaxStat directs all engine coolant to your Ice Crusher Cab Heater, this means that the output of your heater will be at its maximum. If there is heat in your cooling system then you will have heat from your Ice Crusher Cab Heater. More heat means a warmer cab and in turn a warmer you!
MaxStat only opens to let coolant flow though the radiator when the cooling system requires it to keep the UTV engine at an optimal temperature.
CNC Machined Aluminum.
Sizes available:
3/4'' (19mm) for 3/4'' ID Radiator Hoses
7/8" (23mm) for 7/8 ID Radiator Hoses
1'' (26mm) for 1" ID Radiator Hoses
1 1/8" (28mm) for 1 1/8' ID Radiator Hoses
Barb Options - Choose between Elbow and Arm version depending on the desired direction of the outlet hose.
5/8 barbed heater hose output.
Ships with a Replaceable 180' Thermostat.
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Product Reviews
28 Reviews Hide Reviews Show Reviews
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Maxstat thermastat
Vary good product easy to install and works great on my 550 Cub cadet side by side
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looks well built
Just got it installed this weekend, product looks well built. I guess I'll see how good it works in the next couple of days.
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Very well built
Perfect addition to the ice crushers heater
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Quality
I've bought 4 of the Maxstats. They have performed flawlessly. One on a 800 RZR, 2-1000 RZR and a General!
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Good product
Once installed heat output tripled. Must have unit for heaters.
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Excellent service
Bought one of the ice crusher heaters for our new Can Am Defender. When it was idling low to no heat. But the guy I talked to on the phone got me straighten out and I would recommend the MaxStat to anyone.
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Must Have for Heaters in a SxS
I installed the (another manufacture) heater originally and tried it without the bypass for an entire day of riding. While it did start blowing heat it would go cold anytime I got up over 25 MPH on a brisk 30 degree day as the radiator would cool the coolant too much. Fast Forward 2 weeks when I added the bypass (which was a very simple install). My heater starts getting warm the first time my engine thermostat opens (As I left it in as well) and the heater will get warm while just idling as opposed to it didn't without the bypass. I have tested this as low as 17 degrees and will be testing it in the negatives within a month or two when it gets colder. Overall I would say if you put any heater in you should have this by pass. Note: I am using this in a 2016 RZR 1000 XP
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Check Hose Sizes
The max stat supplied for 2011 Polaris RZR 800 that I received had smaller male ends than the existing thermostat and rad fittings for this machine. Had to tighten down hoses onto these smaller fittings. Appears to not leak. Heater works great. Very warm quickly. Coupers Products Response: Thanks for the comments. Our MaxStat is designed to be used with 7/8 - 1" hoses. Radiator hoses on older machines can expand a little over time as the MaxStat sizing is correct for your machine.
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2016 rzr 900 with MaxStat
I am very happy with this product . I needed the part fast and Coupers got it to me on time. It works really good. Definitely worth the money.
