How to Bleed Radiators in a multi-zone gas heating system. Schematics included. Be gentle/gradual introducing city pressure to the system, always monitor boiler pressure.'

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Steps:

1. Power off
2. If you have a zone valve, open (I don’t)
3. Close return ball valve (yellow)
4. Connect hose
5. Open hose (service valve)
6. Charge slightly with city pressure but monitor boiler pressure, 12-30 psi, in limits or else relief valve opens (city)
7. After bubbles, override off (city)
8. Close service valve (hose)
9. Open return ball valve (yellow)
10. Boiler back on

BEFORE PROCEEDING, TURN OFF YOUR BOILER. DO NOT LEAVE OVERRIDE VALVE TOGGLED STRAIGHT UP (FULLY ON) UNATTENDED; USE VALVE TO CHARGE SYSTEM GRADUALLY WITH CITY PRESSURE. MONITOR BOILER PRESSURE IN 12-15 PSI LIMITS TO AVOID RELIEF VALVE ACTIVATION, WHICH CAN SPILL WATER AND/OR DAMAGE BOILER

00:00 Schematic
00:26 Close return ball valve
00:32 Connect hose, link in description below
00:41 Open service valve
00:51 Apply city water pressure (monitor)
01:26 Bleed 5-10 minutes
01:51 Close city pressure and service valves
02:09 Disconnect hose
02:20 Bleed next system zone


Disclaimer:
Due to factors beyond the control of Oliver Porter, I cannot guarantee against improper use or unauthorized modifications of this information. Oliver Porter assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. I recommend safe practices when working on vehicles and or with tools seen or implied in this video. Due to factors beyond the control of Oliver Porter, no information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. Any injury, damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this video is the sole responsibility of the user and not Oliver Porter.