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I have an Atwood tankless water heater (model OD-5001CW) with a strange problem. All of a sudden, it quit heating water. With water flowing, I could hear the igniter clicking but it didn’t ignite. In troubleshooting. I took the pressure regulator off the hose. Still nothing. I then opened the pressure relief valve on the water heater and it instantly lit. Pressure relief valve closed, no ignition. Pressure relief valve open, ignites immediately. Any thoughts as to next steps/resolution would be appreciated.

I have low water pressure from the hot water feed but normal pressure for cold water in my 2008 Phaeton. Any suggestions?

2004 Fleetwood Revolution 40C We purchased this coach last fall after it had already been winterized by the dealer. Now that the weather is starting to look better, we decided to flush out the antifreeze, sanitize the tank and water lines, and then test the water heater. Problem is that, while I've gotten fresh water to flow to the outside shower, water heater, indoor shower, and toilet, it doesn't seem to find its way to the lavatory sink nor to the kitchen sink. I get some dribbles but no flow. And it doesn't matter if the hose is connected and turned on (fresh water inlet valve is in "city water" position, of course), or whether I disconnect the hose and use the pump (seems to be working all right, and I now have about a half tank of water onboard, according to the sensor panel). There's no evidence of leaks, either. Any ideas? I'm guessing some sort of blockage in one or more of the water lines, or maybe some kind of valve that I might have missed, though I've searched thoroughly. Valve positions now: --fresh water inlet/bypass: Closed ("city") --cold water drain: Closed --hot water drain: Closed --water heater bypass: Normal --water heater drain: Closed --washer/dryer hot and cold: both Closed Thanks in advance! --Tim Colburn F428940 Park Forest, IL tcolburn@ix.netcom.com

I just de-winterized my little Minnie Winnie (2001; Ford E350 chassis) last weekend. As happened last year, the water heater drain plug will not tighten sufficiently with just my little hands, and I don't have a tool (what should I buy?) to get the thing close any tighter. It is currently about 3/4 of the way in and it has a butterfly on the end to permit flushing. As soon as I filled the water tank and fired up the water pump, the water just poured out of the water heater! No wonder I was getting very little water flow out of the house sinks. After I figured out that happened, I shut off the bypass to the water heater and fired up the water pump again. Water flowed just fine from both sinks, but the shower head is still dead in the water (pardon the pun!). No water pressure coming out of there at all. What can I do now, shy of taking my little coach back to the repair place? They sold me the water heater drain plug; last year, I got it to fit well enough that it just barely leaked. I did consider getting some plumber putty to see if that would help the situation. Should I just buy another one and pray it fits better? My last drain plug was a dream as far as fitting, but it had an anode on it, which I don't need. Should I get another one? Thanks for any advice you can provide, fellow FMCAers!!! Peggy