I figured out how to disconnect the pressure gauge!
I ordered this assembly to figure out how to disconnect the pressure gauge. One of the risks with the Ultra 3 design is that the pressure gauge is adjacent to the U control electronics. Additionally, the resolution of the pressure gauge is inadequate compared to the pressures that the boiler operates under, so it is really not useful. The pressure gauge was eliminated on the Ultra 4 boilers.
If the pressure gauge leaks onto the U control board, the board needs to be replaced. I ordered this assembly and figured out that the tap off from the supply manifold can be plugged with a simple 1/4" pipe thread plug. I just wrapped the 1/4" plug with PTFE tape and also used Megaloc, and that effectively sealed off the connection.
I checked the connection out after the boiler had operated for a couple of weeks, and it was still leak tight.
VS
Most Liked Negative Review
Dual Dial markings too busy/too small
I replaced my original combination BIG NUMERAL DIAL temperature Fahrenheit-only / boiler pressure gauge with this small numeral dial combination Fahrenheit/Celsius gauge . This has resulted in a crowded/cramped dual dial o which is hard to read. Impossible to read at a glance like the original one . Glad I have the digital LED temperature display also on the panel for a quick read.This new gauge is NOT user-friendly.
Showing 1-10 of 13 reviews
Exact Fit
Exact fit factory OEM part. Fit function and install was perfect. Great price and always fast ship from Supply House.
Ray
Havertown, PA
4 months ago
Verified Buyer
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Perfect fit
Purchased this item when the gauge on my Weil-McLain 105 Ultra failed. Easy to quickly install by my HVAC contractor (in retrospect, I could have done it myself)...
DC_NB
Washington, DC
5 months ago
Verified Buyer
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OEM Replacement
OEM replacement part that fits & functions as original.
Marty
Natick, MA
5 months ago
Verified Buyer
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Helped me find the part I needed!
Quickly helped me find the part I needed!
Mark
WA
9 months ago
Verified Buyer
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It fit perfect
It was part of a multi part replacement on an older boiler. It was the exact replacement
Fitch Specialties, LLc
Suffolk, Va
1 years ago
Verified Buyer
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I would buy this again.
I needed this part to get a boiler operating again. I was able to type in the model of the boiler, find the part, order the part, and have heat to my customer the next day. Best part is i didn't have to call multiple supply houses and get multiple price and availabilities.
Hvac Guy
Oxford Pennsylvania
2 years ago
Verified Buyer
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Fine for the intended use.
Original temp sensor died and this one did the trick. Not an exact match to the old one but close enough. Shipping as always was faster than expected.
Richard
NJ
3 years ago
Verified Buyer
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Perfect match
Perfect fit part, fast shipping, great price.
Fishunter
N.J.
4 years ago
Verified Buyer
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Dual Dial markings too busy/too small
I replaced my original combination BIG NUMERAL DIAL temperature Fahrenheit-only / boiler pressure gauge with this small numeral dial combination Fahrenheit/Celsius gauge . This has resulted in a crowded/cramped dual dial o which is hard to read. Impossible to read at a glance like the original one . Glad I have the digital LED temperature display also on the panel for a quick read.This new gauge is NOT user-friendly.
Boiler
Indiana
4 years ago
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Perfect Replacement
The pressure and temperature gauge/sensors came as advertised and fit the boiler exactly. The replacement was easy to install and worked immediately.
Q: Hi, it's will work with my Weil McLain Ultra 230?
Asked by Yevgeniy 8 years ago
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Verified Reply- Supplyhouse Staff
Yes, it is an accessory for the Ultra Gas Boilers.
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