February 4, 2023

Steam Radiator Air Vent Spitting Water

Steam Radiator Air Vent Spitting Water

Steam radiator air vent spitting water? A common problem in steam heating systems that are often caused by the opening and closing of the service valve feeding the radiator. The feed valves are there strictly to shut down a radiator in the event of an emergency or required maintenance of the radiator.

They’re not designed to throttle down the steam entering the radiator and will ultimately trap condensate trying to get out. The result always ends up with the steam radiator air vent spitting water. This video was taken by homeowner Mike K. as I changed out a faulty convector radiator steam valve. Not a job for the D.I.Yer or faint of heart! I.M.H.O.

Make a note at the beginning of the video as the air vent is spitting water to the top of the convector box and the water drops to the floor. The result of someone shutting the radiator while it’s filled with hot steam. They’re service valves folks, and will not control the amount of heat you can get from a radiator. If you must shut off a radiator because you’re too hot, shut them when they’re cold!

Enjoy and Happy Plumbing!

Steam Boiler Pipe Repair – https://youtu.be/s2IPrKfLEeI

Milwaukee Cordless Tools used on this job:

Milwaukee 2626-20 M18 18V Lithium Ion Cordless 18,000 OPM Orbiting Multi Tool with Woodcutting Blades and Sanding Pad with Sheets Included (Battery Not Included, Power Tool Only)


Milwaukee 2719-20 M18 FUEL Hackzall (Bare Tool), Red, Black,


Imperial Blades One Fit 1-3/8" Carbide Extreme Storm Titanium Metal Blade, 5PC, Multi (IBOAT360-5)



My Video Equipment-

Canon EOS 70D Digital SLR Camera with 18-55mm STM Lens

Canon EF-S 24MM 1.2.8 STM

Canon EOS M6 Mark II Mirrorless Digital Camera (Body) for Vlogging|CMOS (APS-C) Sensor| Dual Pixel CMOS Auto Focus| Wi-Fi |Bluetooth and 4K Video, Black

Canon EF-M 11-22mm f/4-5.6 STM Lens, Black – 7568B002

Rode VideoMic Pro+ Compact Directional On-Camera Shotgun Condenser Microphone

Rode Wireless Go – Compact Wireless Microphone System, Transmitter and Receiver

Comica WM300C Wireless Lavalier Microphone

Neewer 2 Pieces Bi-color 660 LED Video Light and Stand Kit Includes:(2)3200-5600K CRI 96+ Dimmable Light with U Bracket and Barndoor and (2)75 inches Light Stand for Studio Photography, Video Shooting

Magnus VT-400 Aluminum Tripod System with 2-Way Fluid Pan Head

Dolica AX620B100 62-Inch Proline Tripod and Ball Headhttps://amzn.to/2YPhyVO


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