[LBourdon]

As one would know it, this cold weather cased a pipe to rupture in our garage. I found the shutoff valve for the garage base board. Looking at the water pressure, I saw their was none. So online, found how to use the water safety valve to add more water to the system. However, the manual did not say what the max pressure was. We have a New Yorker FR-95 / 122 W. Would anyone know what those specks would be, or where I could find them?

LBourdon

 

[beenthere]

Most likely has a 30 PSIG relief valve. Just fill to 15 PSIG.

 

[roughneck]

Does this boiler not have an auto fill valve somewhere?
It may (or may not) look like this-

 

[Bondo]

Ayuh,... Most hydronic systems are filled to 12 psi cold, 'n allowed to fluctuate as it heats, with a max of 30 psi,....

 

[jimn]

Pressure is controlled by the number of stories . A two story house will have a cold pressure of maybe 15 psi. The expansion tank will keep this relatively constant but it will go a couple of psi when heated. A hydronic system is relatively low pressure