Features and Solutions

Focusing on what's important.

Crack Temperature, Aka. Opening Temperature 

The "crack temperature" refers to the moment when the thermostat begins to open, akin to a door "cracking" open.  This is also the temperature rating that is stamped in the thermostat and is how the automotive industry classifies the opening temperature.

See the crack temperature in the product specs at the bottom of the page.

Fully Open Temperature

marks the point at which the thermostat is fully open, allowing maximum coolant flow. See the fully open temperature in the product specs at the bottom of the page.

Range

A thermostats range is the tempeature range between Crack temperature and Fully Open Temperature. Effectively, this should be the operating temperature range of the cars cooling system.

PHR offers several different temperature ranges for our thermostats. So you can select what works best for your target coolant temp.

See the links to our blog posts for better explanation.

Learn More

Gasket Included

Powerhouse Includes the gasket with our thermostats so you don't have to source it on your own.