Solar Panel Freeze Valve

The air temperature is monitored by a sensitive wax filled element which reacts by opening the fpv valve seat when the temperature drops.

Solar panel freeze valve.

The hitachi valve will automatically repeat this cycle until the outside air temperatures rise. Replace the valve and check the rest of the system and components for blockages air pockets to make sure fluid is actually flowing. When the temperature reaches 39 f the valve will close. Do we really need this anti freeze valve.

These frost valves have been successfully used over many years to protect thousands of solar water collectors from occasional mild frosts. When properly installed this will allow warmer water supply to slush colder water from your solar panels. Keep your solar collectors and exposed pipes from freezing with the vernatherm solar freeze protection valve the vernatherm valve contains a thermal actuator that opens the valve when the temperature approaches freezing and re closes it upon warm up. The valves have a 3 4 male bsp thread for easy fitting.

Typically in solar applications the valve port opens on descending temperatures allowing the near freezing water in the solar panel to be discharged and replaced with warmer supply water. The warm water flowing through the solar collector makes it harder for the panel to spot freeze which could damage the solar collector. The quality solar panel frost protection valves are made of brass and have been found to be the most reliable with a long service life. The air temperature is monitored by a sensitive wax filled element which reacts by opening the fpv valve seat when the temperature drops.

So what to do i. When temperatures approaching freezing approximately 34 f the valve will open. The frost protection valve is designed to protect a solar collector panel from frost damage when the outside air temperature drops. The warm water flowing through the valve will eventually close the valve seat and the water will stop fl owing.

If you live in south florida or anywhere that doesn t have freezing conditions the answer is no. The solar freeze protection valve contains a thermal actuator. When the warmer water reaches the valve the port closes and water discharge stops.