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hi
is there an easy way to tell if ur heating system is 1 pipe or 2 pipe?
thanks
is there an easy way to tell if ur heating system is 1 pipe or 2 pipe?
thanks
Gasguru said:On a one pipe system both radiator conections join onto this single pipe.
On two pipe systems each radiator pipe joins onto a seperate pipe (flow and return).
Agile said:The standard two pipe ( or parallel ) system delivers the flow independently to each radiator in the system.
The ( economy ) one pipe system in the domestic environment runs out of temperature towards the return end and fails to get enough flow into larger rads as its only by convection.
This means that if you put your digital contact thermometer on the flow pipes to each rad they will be virtually identical on a two pipe system but will be different on a one pipe.
Another clue is that most one pipe systems have a single pipe feed to the upstairs in the hall !!!
{{{ Its different for industrial. If I dont mention it then DIA will complain! Its common with industrial to have a large 2" or 3" one pipe system but the flow is not from a 30 y.o. 50w SMC pump but a big 400w circulating pump which gives enough flow that there is only 10 C difference between the flow and return so all the rads have a good flow temperature. }}}
Tony Glazier
The standard two pipe ( or parallel ) system delivers the flow independently to each radiator in the system.
The ( economy ) one pipe system in the domestic environment runs out of temperature towards the return end and fails to get enough flow into larger rads as its only by convection.
This means that if you put your digital contact thermometer on the flow pipes to each rad they will be virtually identical on a two pipe system but will be different on a one pipe.
Another clue is that most one pipe systems have a single pipe feed to the upstairs in the hall !!!
{{{ Its different for industrial. If I dont mention it then DIA will complain! Its common with industrial to have a large 2" or 3" one pipe system but the flow is not from a 30 y.o. 50w SMC pump but a big 400w circulating pump which gives enough flow that there is only 10 C difference between the flow and return so all the rads have a good flow temperature. }}}
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