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 ...

This “stacking” of relief valves is not permissible by code. By installing two relief valves in sequence, you add back pressure above the first relief valve piston, causing a change in the pressure ...

Some people use acupressure to provide sinus pain relief. A person can visit a licensed therapist or try it at home by applying gentle pressure to specific points on the face and other areas.