| Manufacturer | Bell & Gossett |
|---|---|
| Part Number | 113222 |
| Item Weight | 6.4 ounces |
| Product Dimensions | 4 x 2 x 2 inches |
| Item model number | 113222 |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Included Components | BELL & GOSSETT Model No. 97, 1/8" Automatic Air Vent (Male Threaded) |
| Batteries Included? | No |
| Batteries Required? | No |
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Reviews with images
Works well however the plastic cap is a problem, it will break.
Since I bought my home 20 years ago I have had to deal with a boiler and the necessity of this part. I have two of them on my ancient Weil-Mclain boiler system.A serious flaw exists with the current incarnation of this vent and likely other Bell & Gossett vents. The vent release cap is an important part of this system and the plastic used does not hold up over time when exposed to boiler temperatures. The tops fracture and falls off. Super gluing the top back on the cap will not work as the material has broken down due to exposure to heat. It is futile to attempt to repair this plastic cap.The cap, albeit a 10 cent part, is critical to the operation of these vents. If you take one of these vents apart and you see the float / valve needle, you realize that this setup is very similar to the float on a small carburetor. The tiniest piece of debris will block the valve needle from seating and you will end up with a leaky valve. At that point, you will need to replace the vent.A critical piece of information about these vents is that they require that the vent is closed (using the cap) unless the water pressure is greater than atmospheric pressure. So if you have to depressurize your system at any point, you should close the vent by tightening the cap. When you bring the system up to pressure you need to VERY SLOWLY back the cap off to release the air. If you back the cap off too quickly, gunk in the system will plug the valve seat as mentioned previously.Given the above, it is critical that you have a good cap and a good seal material in the cap. You need to be able to tighten the cap and have a tight seal that will withstand the pressure of your system. My system is around 12-15 psi. In the event that the valve seat does get clogged, it will leak. You also need the cap to be able to close and stop the leak until you can service and remove the vent. Without a good cap, you have a real mess on your hands.The vents from Bell and Gossett over the past 10 years or so all have plastic caps. As mentioned these become fragile from heat exposure over time. This renders the caps useless and you can end up in a real pickle in the middle of winter if you have water leaking from the vent. Having been through this drama more than once, I set out to find new caps to replace these poorly performing caps.I searched for hours on the Internet and found only one place selling brass caps, and they were not specifically for the B&G vents. Add shipping you are talking twenty bucks for a tiny cap. No thanks. I contacted B&G through their supply chain and was told this was not available as a separate part. Great. Thanks.Looking around on the net I found these "waste caps" sold as a pair here and the the big home improvement stores. Specifically, HD retails two brass caps for less than a dollar. The 3/8 in. one is the one you want, it has the correct threads. The caveat is that the little rubber stopper for the cap is too think. It needs to be about half of the thickness. What I did (as shown in the picture) was to find a drill that was the same diameter as the rubber plug and drilled a shallow hole. You can then place the rubber plug in the shallow hole and use a razor to shave it down a bit. If you do not reduce the thickness, you have to really push down on the cap to catch the threads on the vent. That defeats the entire purpose. You want to be able to leave the cap on the vent, but loose, when you are bleeding out the air over days or weeks.At the end of the day, I spent a lot of time dorking around to address this product/material defect with these caps. Those plastic caps will fail prematurely and you will waste a ton of time dealing with a simple broken plastic cap that literally costs a couple of pennies to produce. In the case of the brass caps that I am sharing, I would estimate the production cost at around 20 cents.Given the critical nature of these vent caps it is unconscionable that B&G is not including brass caps with rubber seat for these vents. The consequences of a broken cap, that I have experienced on several occasions, is a disaster and a major time suck.
Top reviews from the United States
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Reviewed in the United States on November 10, 2022
Reviewed in the United States on June 5, 2018
Reviewed in the United States on October 8, 2020
A serious flaw exists with the current incarnation of this vent and likely other Bell & Gossett vents. The vent release cap is an important part of this system and the plastic used does not hold up over time when exposed to boiler temperatures. The tops fracture and falls off. Super gluing the top back on the cap will not work as the material has broken down due to exposure to heat. It is futile to attempt to repair this plastic cap.
The cap, albeit a 10 cent part, is critical to the operation of these vents. If you take one of these vents apart and you see the float / valve needle, you realize that this setup is very similar to the float on a small carburetor. The tiniest piece of debris will block the valve needle from seating and you will end up with a leaky valve. At that point, you will need to replace the vent.
A critical piece of information about these vents is that they require that the vent is closed (using the cap) unless the water pressure is greater than atmospheric pressure. So if you have to depressurize your system at any point, you should close the vent by tightening the cap. When you bring the system up to pressure you need to VERY SLOWLY back the cap off to release the air. If you back the cap off too quickly, gunk in the system will plug the valve seat as mentioned previously.
Given the above, it is critical that you have a good cap and a good seal material in the cap. You need to be able to tighten the cap and have a tight seal that will withstand the pressure of your system. My system is around 12-15 psi. In the event that the valve seat does get clogged, it will leak. You also need the cap to be able to close and stop the leak until you can service and remove the vent. Without a good cap, you have a real mess on your hands.
The vents from Bell and Gossett over the past 10 years or so all have plastic caps. As mentioned these become fragile from heat exposure over time. This renders the caps useless and you can end up in a real pickle in the middle of winter if you have water leaking from the vent. Having been through this drama more than once, I set out to find new caps to replace these poorly performing caps.
I searched for hours on the Internet and found only one place selling brass caps, and they were not specifically for the B&G vents. Add shipping you are talking twenty bucks for a tiny cap. No thanks. I contacted B&G through their supply chain and was told this was not available as a separate part. Great. Thanks.
Looking around on the net I found these "waste caps" sold as a pair here and the the big home improvement stores. Specifically, HD retails two brass caps for less than a dollar. The 3/8 in. one is the one you want, it has the correct threads. The caveat is that the little rubber stopper for the cap is too think. It needs to be about half of the thickness. What I did (as shown in the picture) was to find a drill that was the same diameter as the rubber plug and drilled a shallow hole. You can then place the rubber plug in the shallow hole and use a razor to shave it down a bit. If you do not reduce the thickness, you have to really push down on the cap to catch the threads on the vent. That defeats the entire purpose. You want to be able to leave the cap on the vent, but loose, when you are bleeding out the air over days or weeks.
At the end of the day, I spent a lot of time dorking around to address this product/material defect with these caps. Those plastic caps will fail prematurely and you will waste a ton of time dealing with a simple broken plastic cap that literally costs a couple of pennies to produce. In the case of the brass caps that I am sharing, I would estimate the production cost at around 20 cents.
Given the critical nature of these vent caps it is unconscionable that B&G is not including brass caps with rubber seat for these vents. The consequences of a broken cap, that I have experienced on several occasions, is a disaster and a major time suck.
Works well however the plastic cap is a problem, it will break.
Reviewed in the United States on October 8, 2020
Since I bought my home 20 years ago I have had to deal with a boiler and the necessity of this part. I have two of them on my ancient Weil-Mclain boiler system.Reviewed in the United States on October 8, 2020
A serious flaw exists with the current incarnation of this vent and likely other Bell & Gossett vents. The vent release cap is an important part of this system and the plastic used does not hold up over time when exposed to boiler temperatures. The tops fracture and falls off. Super gluing the top back on the cap will not work as the material has broken down due to exposure to heat. It is futile to attempt to repair this plastic cap.
The cap, albeit a 10 cent part, is critical to the operation of these vents. If you take one of these vents apart and you see the float / valve needle, you realize that this setup is very similar to the float on a small carburetor. The tiniest piece of debris will block the valve needle from seating and you will end up with a leaky valve. At that point, you will need to replace the vent.
A critical piece of information about these vents is that they require that the vent is closed (using the cap) unless the water pressure is greater than atmospheric pressure. So if you have to depressurize your system at any point, you should close the vent by tightening the cap. When you bring the system up to pressure you need to VERY SLOWLY back the cap off to release the air. If you back the cap off too quickly, gunk in the system will plug the valve seat as mentioned previously.
Given the above, it is critical that you have a good cap and a good seal material in the cap. You need to be able to tighten the cap and have a tight seal that will withstand the pressure of your system. My system is around 12-15 psi. In the event that the valve seat does get clogged, it will leak. You also need the cap to be able to close and stop the leak until you can service and remove the vent. Without a good cap, you have a real mess on your hands.
The vents from Bell and Gossett over the past 10 years or so all have plastic caps. As mentioned these become fragile from heat exposure over time. This renders the caps useless and you can end up in a real pickle in the middle of winter if you have water leaking from the vent. Having been through this drama more than once, I set out to find new caps to replace these poorly performing caps.
I searched for hours on the Internet and found only one place selling brass caps, and they were not specifically for the B&G vents. Add shipping you are talking twenty bucks for a tiny cap. No thanks. I contacted B&G through their supply chain and was told this was not available as a separate part. Great. Thanks.
Looking around on the net I found these "waste caps" sold as a pair here and the the big home improvement stores. Specifically, HD retails two brass caps for less than a dollar. The 3/8 in. one is the one you want, it has the correct threads. The caveat is that the little rubber stopper for the cap is too think. It needs to be about half of the thickness. What I did (as shown in the picture) was to find a drill that was the same diameter as the rubber plug and drilled a shallow hole. You can then place the rubber plug in the shallow hole and use a razor to shave it down a bit. If you do not reduce the thickness, you have to really push down on the cap to catch the threads on the vent. That defeats the entire purpose. You want to be able to leave the cap on the vent, but loose, when you are bleeding out the air over days or weeks.
At the end of the day, I spent a lot of time dorking around to address this product/material defect with these caps. Those plastic caps will fail prematurely and you will waste a ton of time dealing with a simple broken plastic cap that literally costs a couple of pennies to produce. In the case of the brass caps that I am sharing, I would estimate the production cost at around 20 cents.
Given the critical nature of these vent caps it is unconscionable that B&G is not including brass caps with rubber seat for these vents. The consequences of a broken cap, that I have experienced on several occasions, is a disaster and a major time suck.
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