Set the Pressuretrol "Main" to "1" or 1.5 and the Differential to .5PSI. You want as little pressure in the system as is possible so the fact you don't see the gauge move, but you get steam to all of the radiators is a GREAT thing. The boiler must be properly sized and working well.

Steam boiler pressure gauge Can someone explain the purpose of the pressure gauge and pressure control on a steam boiler, ie. which pressure is it gauging (internal or output), how it affects the boiler, how to tell is it's working, etc. Right now the control is set below .5 psi and the pressure can go as high as 10 psi w/o anything happening.

The old high-pressure gauge is a sight to behold... on its back connection where there should be a pinhole to take in the boiler's pressure was just a big mound of corrosion! I still intend to work on adding the union and low-pressure gauge but the temperatures are getting very low and it might be prudent to wait until the deepest winter is ...

My gauge is 0-3 PSI range and I can see it dance around the first few tickmarks for the majority of cycles. I see no practical purpose in trying to read the first 1/2 or 1 oz of pressure (1-2" wc) on my plain vanilla one pipe system.

Feb 1, 2023 · I have a Weil-McLain steam boiler that was installed two years ago by the previous homeowner. The pressure gauge consistently reads at 2.25PSI even when the boiler is off and will raise to 3.5PSI on days that are around 20 degrees. The cut-in has to be set at 2.25 PSI or the boiler won't run--I know it should be set as low as possible.

Set the diff to 1 and the main to 1.5 for a cut-in pressure of 0.5 PSI and a cut-out of 1.5 PSI. Without a low pressure gauge you won't be able to tell if the pressuretrol is accurate to those settings, but it will get you in the ballpark.

The pressure gauge is there to tell you about dangerous HIGH pressure. Installing a 1psi gauge seems dubious in case you ever do need 5psi on a super-cold day- the gauge could burst. Also remember "vacuum" systems. While they could build pressure, they were intended to be leak-tight so you could recover steam heat even as the boiler cooled to ...

Jan 11, 2018 · a 15 lb gauge on a 15lb steam boiler does not meet code. They gauge they want is a 30lb gauge, it has to read double of what the safety valve is. If you put on a low pressure gauge 0-5 psi or ounces or inches of W.C. put a pet cock or better yet a …

Unless the gauge you bought was "internal siphon" type gauge it needs a pigtail between it and the boiler. Most gauges will not last long if they are in direct contact with the steam. Boilers have a pressure regulating device that should limit the pressure to less than 2 PSI and hopefully less.

Nov 21, 2016 · I've got a older Paragon Oil Steam Boiler Model FCS9-815 boiler that has two different gauge taps: 1) Siphon Pressure Gauge Tap and 2) Pressuretrol tap. When calling for heat, the Siphon gauge starts at ~ minus 5 psi and rises to 8-12 psi while the Pressuretrol tap is reading 0-3 psi at the same time.