Thanks a lot for your response, HVAC1000!
Is it difficult to bleed the lines? Should I be calling the plumber back? Am a little afraid of messing the boiler up in the middle of winter with a snow storm predicted for tonight. Or is bleeding the line as simple as hooking up a hose to the drain valve, opening it up and letting the water drain out for awhile? (Do you need to turn the boiler off?) Also do you think the two problems are related - sloshing sounds and losing the hot water in the middle of showers?
The boiler we have is a Weil McLain cast iron water boiler #A-568WT Complete with Carlin Z-1 flame retention oil burner, two circulators with isolation flanges, R-845A relay, 8 gallon tankless coil, L-8124A aquastat, two flow valves, feeder, #3000 extrol tank (all copied from the original contract when we purchased the boiler in 1991) We have 2 heating zones in the home. Picture of set-up attached.
Thanks again!
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