upgrade

Hello everyone. I wanted to take a moment to address some concerns that have been brought up recently about the spammy ads and notifications, and I also want to explain one of the reasons for our recent forum migration and upgrade. We are committed to providing a secure, safe, and helpful...

Hi Everyone, I have been thinking ahead about replacing my Navien CR-A 240, which has been running relatively well for the past 8 years. I assume that at a certain point, the repair bills will make this a reality. My unit has the two vents at the top, water into/out of the bottom and gas on...

Hi, I own a condo built in 1972. There are 9 other units in the building. We have baseboard heating powered by a steam boiler. The Danfoss RA-33 Thermostatic Operator separate remote mounted dial and sensor is installed on the baseboard. Some questions that I had: 1. How does it work? How...