"Powerhead" vs. "Circulation Pump" - Nano-Reef Community
2012年3月1日 · powerhead = water circulation in the display tank. Circulation pump = return pump, pump for a UV/ATS/return Taking the MJ line for instance, you can assemble it to have a powerhead assembly and move water around your tank. Likewise you can leave that assembly off, and use it as a return pump, etc. All in all it really comes down to word games.
What is the Best Circulation Pump for a 29 gallon Biocube tank?
2013年11月16日 · Anyways, right now I am running the stock pump and a small circulation pump. I am not sure of the brand of the circulation pump as I got the tank used. I would like to upgrade as it is always falling of the suction cup and doesn't seem to put out as much flow as I am looking for. What do you suggest? I was thinking either the hydor 240 gph or ...
Navien NPE-240A circulation pump not working
2021年10月25日 · Hi, I had a new Navien NPE-240A tankless system installed about a week ago. This replaced a standard tank, which also had an external circulation pump that run continuously. I purposely chose the 'A' model as I was told it had …
Can water flow through circulator pump when it is not running?
2018年11月13日 · Pump A creates a high-pressure area in front of it (orange). Some of this water would flow backward through Pump B, but cannot do so because the Pump B is protected by a check valve. Therefore all the water must flow through the boiler. Simultaneously, Pump A also creates a low-pressure area behind it (blue).
Where to connect hot water recirculation line at water heater?
2007年2月4日 · I am installing a hot water recirculation system with a dedicated return line and a circulation pump at the water heater. There are two options for connecting the return line - the bottom of the water heater tank at the drain or to the cold water inlet at the top. I realize that unscrewing the...
Oversized circulating pump repercussions? - Love Plumbing
2009年1月26日 · A lower water temp to the house radiators means those radiators will be less efficient in transferring their heat. If they were marginal at a designed 180-degree input, on a cold day, they just won't keep the house warm, no matter how fast the pump runs if your boiler can't raise the temp high enough.
Navien 240A (Controlling the Circulation Pump)
2022年2月24日 · I changed P.12 to 15 minutes and P.14 to 60 minutes and this did reduce cycling of circulation pump. However, as breplum points out, the pump has to baby sit the buffer tank and will activate as needed, when needed, at any …
NCB-240E with DHW - what is inside pump for? - Love Plumbing …
2019年1月31日 · The internal pump guarantees the proper flow through the heat exchanger, which is not designed to take the full flow of the radiation, which can be much higher. The radiation circulators drive a loop which intersects with the boiler loop, but at a low enough resistance at the point of intersection that the flows don't interact very much.
Hot water recirculation pump sends warm water to cold line.
2015年8月17日 · When replacing the Grundfos pump, I looked at the installation. The pump is in the return of the loop and is "T"ed into the cold water inlet. The cold line has a swing check valve installed before the T. When the pump is running and no water being used, the cold water line is hot back to where it enters the wall.
"Continuous" Grundfos recirculation pump stops and starts! Why??
2020年5月27日 · The pump uses two temperature sensors, one within the pump and the other connected to the pump by a cable installed in the hot-water flow pipe. The pump is installed in the hot-water return pipe. UP 10-16 Comfort PM, PM Auto The UP 10-16 pump is designed for recirculation of domestic hot water in single-family homes with dedicated hot-water ...