What is the connection used for

[Heyjoe]

What is the garden hose connection used for,the blue spigot, it’s coming out of the main supply pipe?

 

[Fitter30]

If it's piped before boiler fill valve and with a washing machine hose can backflush boiler or fast fill system.

 

[Sponsor]

 

[Heyjoe]

If it's piped before boiler fill valve and with a washing machine hose can backflush boiler or fast fill system.

Thanks, when I read your response I had to think a minute, then my brain came up to “pressure” and the “light bulb” finally lit up.