Search results

Ha, no offense, but unlike the pictures I see of systems nicely laid out along a basement wall, I don't expect anyone to be able to get anything from pictures of my setup. It's tucked into a 3rd floor closet and in addition to the Navien integrates a heat pump and rooftop glycol thermal loop...

Sorry for confusion. I said I got a tiny puff of air when I opened the air vents a couple of times in the first two days after manifold was reconnected. Each puff was less than a fraction of a second and barely audible - less than you get when first opening a sealed jar. Not a hint in last 10...

Thanks. Unfortunately, no balancing valves and no individual shut-offs, except keeping actuators shut. The Navien and manifold are the high points in the system. I thought the pressure relief valve at the Navien high point might be a place to bleed air but I only get water. I'm not hearing a...

I have a Navien NCB-240E combi located on the third floor supplying DHW to the house and infloor hydronic to the first floor. It feeds a 3-loop Wirsbo manifold on the first floor (two loops on one thermostat and one on another). A Grundfos Alpha 15-55F (maybe 5-6 years old) is on the return...