longest length of hot water pipe in a commercial building

[sheff paul]

What is the longest length of hot water pipe feeding a tap allowed with out a secondary return,saw a guideline of achieving 50c within 30 secs,this was only a guide not mandatory..cannot access PDF ,bug on pc..

 

[ShaunCorbs]

I have somthing in the back of me head about maximum of 10 feet as to save on water waste

 

[sheff paul]

I have somthing in the back of me head about maximum of 10 feet as to save on water waste

Is this mandatory Shaun,cannot access PDF,so having probs researching it

 

[ShaunCorbs]

Is this mandatory Shaun,cannot access PDF,so having probs researching it

I would say yes as not to waste water

 

[sheff paul]

I would say yes as not to waste water

Cheers Shaun gonna run in a secondary before the boarders come in, Your hot on commercial work mate ,thanks for the help

 

[ShaunCorbs]

Cheers Shaun gonna run in a secondary before the boarders come in, Your hot on commercial work mate ,thanks for the help

What's it on school office etc just out of q

 

[chris watkins]

It is in the WRAS book page 8.9 G18.4 - 18.7

 

[ShaunCorbs]

It is in the WRAS book page 8.9 G18.4 - 18.7

Not everyone has the wras book mate they should do but don't might be worth posting up a pic of the page if you have one to hand

 

[solutions]

As requested.

 

[chris watkins]

Not everyone has the wras book mate they should do but don't might be worth posting up a pic of the page if you have one to hand

As you say Shaun, everyone should have a copy of the WRAS book, if you are a working Plumber & haven't then you need go buy one, Paul's predicament is the reason we still can't depend solely on computers or phones.

 

[Sparkgap]

What is the longest length of hot water pipe feeding a tap allowed with out a secondary return,saw a guideline of achieving 50c within 30 secs,this was only a guide not mandatory..cannot access PDF ,bug on pc..

If you have a long length and can't put a circulation in you can trace heat it nowadays.

 

[solutions]

If you have a long length and can't put a circulation in you can trace heat it nowadays.

How does trace heating resolve the problem and meet the reg recomendations?