[an error occurred while processing this directive]
Posted by HeatPro on September 03, 2004 at 18:31:40:
In Reply to: Re: questions about hot water system posted by john on September 02, 2004 at 07:01:16:
Boiler antifreeze exists for just that purpose.
Constant circulation with a thermostat calling for the burner only and with a low limit thermostat to fire the burner at a water temperature of 50F would also provide freeze protection.
Post a Followup