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Nice and Affordable Low Pressure Gauge
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zackwatt
Member Posts: 81
I just picked up this little pressure gauge from Zoro.com. It's 0-35 oz./sq. in. and very affordable! Gone with the useless 0-30psi one!
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Comments
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Looks nice and readable, but I couldn’t find it on their site-is there a link?—NBC0
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Maybe this one: https://www.zoro.com/zoro-select-press-gauge-low-press-diaphragm-2-12-in-18c794/i/G4739332/NJ Steam Homeowner. See my sight glass boiler videos: https://bit.ly/3sZW1el0
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That's it!ethicalpaul said:0 -
Also available with bottom mount:
https://www.zoro.com/zoro-select-press-gauge-low-press-diaphragm-2-12-in-18c778/i/G4739436/0 -
Saw this
"Sign up for Zmail and get 15% off your first order."
It'll be around $22 + $5 shipping-1 -
Pretty sure the code requires the useless one to be left installed as well. (Has to be double the rating of the pressure relief, so if you have a 15PSI relief, you need a 30psi gauge.)
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Does it have an adjustment screw that lets you set it to zero?
Otherwise it looks good other than containing the alloy of Chinasiem.
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Are you sure it is for steam? The specs say it it rated for up to 160 degrees.0
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Steam or heat won't reach the gauge.iamsteamed said:Are you sure it is for steam? The specs say it it rated for up to 160 degrees.
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> @Jim_R said:
> Isn't the pigtail for the vaporstat suppose to be turned " loop" front to back, another quarter turn or doesn't the expansion/contraction of the 'tail not matter with the non Mercury equipment.. ?
Shouldn’t matter—the pressure switch isn’t affected by minor (or maybe even major) orientation variance.NJ Steam Homeowner. See my sight glass boiler videos: https://bit.ly/3sZW1el0 -
> @iamsteamed said:
> Are you sure it is for steam? The specs say it it rated for up to 160 degrees.
I bet it doesn’t hit 160 being protected by the water in the loop plus the air cushion above the water. I’ll have to measure mine, I’m curious nowNJ Steam Homeowner. See my sight glass boiler videos: https://bit.ly/3sZW1el0 -
Most of the gauges and even the Pressuretrols are rated at about 160 degrees. That's why the pigtail or some type of air pocket is required.
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It may be a little hard to see in the photo, but the black iron section below the union is also a water "trap" and filled with water. It never even get's warm to the touch.
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Pigtail orientation only matters for Mercury type pressuretrols and vaporstats.Single pipe quasi-vapor system. Typical operating pressure 0.14 - 0.43 oz. EcoSteam ES-20 Advanced Control for Residential Steam boilers. Rectorseal Steamaster water treatment
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