Hi all. My boiler kept cutting off last week and had an Engineer round to get it fixed. I have an open vent system with a small tank in the loft which feed water to system and there is also a vent going up in the loft. The problem was blocked T section above the pump which was carrying a small horizontal pipe connecting vent pipe and cold feed pipe above pump
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My question is I had a new Grundfos 15/60 pump installed 4yrs ago. It has isolation valves on both sides. Previously the pump was installed and remained in such position for 4 years that it would appear upside down with writing on the front upside down, cable coming out from top and speed control lever accessible from front. The arrow next to front bleed screw in anti-clockwise direction but the arrow on the side of pump facing upwards towards loft and installed on the cold feed pipe. The cold feed pipe and vent are also connected with a small horizontal pipe above the pump and there is also a small copper drum housing at this horizontal joint at vent pipe. Below the pump the pipe leads to the hot water tank and also to the Honeywell Mid Pos Valve.
Now since the Engineer has carried out repair he has turned the pump other way around (I am thinking it was working fine for 4 yrs then that must be the right flow direction or may be not). It seems now that writing is right way round, arrow at the front near screw is still anticlockwise but arrow on the side of pump body now facing downwards i.e in line with pipes going towards hot water tank and Mid Pos valve. Cable now coming out from bottom of pump and speed lever on the back side. All this is located in airing cupboard. The boiler is located downstairs in the kitchen (Ideal Classic FF270). Does this change in pump direction make any difference? It seems very slightly noisier than before and one of the downstairs radiator slightly less warmer than before. Otherwise all seems to be working.
If somebody can answer that would be great.
Thanks
.
My question is I had a new Grundfos 15/60 pump installed 4yrs ago. It has isolation valves on both sides. Previously the pump was installed and remained in such position for 4 years that it would appear upside down with writing on the front upside down, cable coming out from top and speed control lever accessible from front. The arrow next to front bleed screw in anti-clockwise direction but the arrow on the side of pump facing upwards towards loft and installed on the cold feed pipe. The cold feed pipe and vent are also connected with a small horizontal pipe above the pump and there is also a small copper drum housing at this horizontal joint at vent pipe. Below the pump the pipe leads to the hot water tank and also to the Honeywell Mid Pos Valve.
Now since the Engineer has carried out repair he has turned the pump other way around (I am thinking it was working fine for 4 yrs then that must be the right flow direction or may be not). It seems now that writing is right way round, arrow at the front near screw is still anticlockwise but arrow on the side of pump body now facing downwards i.e in line with pipes going towards hot water tank and Mid Pos valve. Cable now coming out from bottom of pump and speed lever on the back side. All this is located in airing cupboard. The boiler is located downstairs in the kitchen (Ideal Classic FF270). Does this change in pump direction make any difference? It seems very slightly noisier than before and one of the downstairs radiator slightly less warmer than before. Otherwise all seems to be working.
If somebody can answer that would be great.
Thanks