GRAVITY HOT WATER SYSTEM

LEN HEWS

HELLO I WAS WONDERING WHY AN OLD BRYANT GAS FIRED GRAVITY BOILER WITH 2 INLETS AND OUTLETS THE RETURNS ARN'T BOTH COMMING IN AT THE BOTTOM OF BOILER 1 RETURNS TO BOTTOM 1 RETURNS ABOUT HALFWAY UP IN THE REAR IS THERE A REASON FOR THIS I DON'T KNOW MUCH ABOUT THE OLDER DESIGNS BUT ASSUMED BOTH SHOULD BE LOW

THANKS LEN