In steam boiler applications, pressure relief valves (PRVs) are the silent sentinels — the last line of defense against potentially disastrous overpressure situations. In a perfect world, boiler ...

Testing a relief valve at the wrong time could damage the spring—or worse, take your boiler offline. In this installment of Weekly Boiler Tips we cover the safest testing frequencies and what you need ...

If a pressure relief valve for a boiler is accidentally installed on a water heater, it will leak like crazy from the start. These valves may look identical, but they're set to go off at 30 psi ...

The Pinnacle oil boiler is a high-efficiency, direct-vent, sealed combustion condensing boiler. It is 93 percent-plus efficient for low-temperature applications and is Energy Star®-rated. Equipped ...

All relief valves must comply with the ASME code for unfired pressure vessels. Discharge rates are certified by the National Board of Boiler and Pressure Vessel Inspectors. A code symbol is stamped on ...

HVAC tech shares terrifying images after dangerous malfunction sends boiler ... gas into the oil tank. Others noted it might have been caused by overheating due to failed pressure relief valves.