For Use With: For select Richmond Gas Water Heaters. Contact customer service at 1-800-432-8373 with model and serial number to verify the part for your particular water heater. Material: Copper and Metal.
WebMD Symptom Checker. Throat tightness. WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms throat tightness including Allergic reaction, Generalized anxiety disorder, and Panic attack. There are 8 conditions associated with throat tightness. The links below will provide you with more detailed information on these medical conditions from the WebMD Symptom Checker and help provide a better understanding of causes and treatment of these related conditions. Allergic reaction.
1 Other symptoms may include the following: 2  Itching and watering in the eyes. 3  Runny or stuffy nose. 4  Symptoms of a more severe reaction could include the following: 5  Shortness of breath or difficulty breathing. 6  Tightness in the chest. 7  Feeling of tightness or choking in the throat. 8  Rapid or irregular heart beat.