Water heater safety valve
2011 Tioga Montara Atwood water heater. after about 20-25 minutes of the water heater running the safety valve will begin to leak. Is the valve going bad or is the water heater getting too hot? How w...
Forum Discussion
Water SWELLS when heated
By design water heaters have a void at top of tank above hot out for an air pocket.
Air pocket is normally established upon initial filling of WH tank...bleed air out of system via a open faucet.
Over time Air pocket can get lost or absorbed into water.
W/O air pocket to control increase in pressure from water swelling the T&P Relief can 'weep' as water is heated (can't compress water----can compress air)
As noted above re-establish air pocket (due to small size of RV water heaters air pocket needed)
By design water heaters have a void at top of tank above hot out for an air pocket.
Air pocket is normally established upon initial filling of WH tank...bleed air out of system via a open faucet.
Over time Air pocket can get lost or absorbed into water.
W/O air pocket to control increase in pressure from water swelling the T&P Relief can 'weep' as water is heated (can't compress water----can compress air)
As noted above re-establish air pocket (due to small size of RV water heaters air pocket needed)
