HELLO
I AM HAVING PROBLEMS WITH MY HOT WATER SUPPLY,I HAVE A BAXI BERMUDA GAS FIRE WHICH HAS A BACK BOILER.WHEN RUNNING THE HOT WATER FOR A BATH ONCE THE TAP HAS BEEN OPENED THE HOT WATER COMES OUT FOR SOME TIME AND THEN STARTS TO AIR LOCK,I THEN GO TO THE WASHING MACHINE AND BLOW...