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SVTPerformance's Chain of Restaurants
Road Side Pub
Any plumbing & heating guys in here, have ?
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<blockquote data-quote="Mr. Mach-ete" data-source="post: 9834231" data-attributes="member: 16424"><p>Maryland Master HVAC contractor at your service sir.</p><p></p><p>From what I've read you have a boiler with an indirect hot water storage tank? Typically, when the Thermostat at the water storage tank calls for heat the zone relay opens (24vac) at the same time a circulator pump kicks on and allows boiler water to circulate from the boiler through the heat exchanger inside the water tank heating the potable water inside until the thermostat has been satisfied.</p><p></p><p>You say you checked for 24 vac at the solenoid coil? You stated you manually opened the coil regardless. Have you checked the circulator pump that drives the water from the boiler through the tank. Some systems have individual pumps for each zone off the boiler while others utilize one pump with multiple zone valves opening and closing on demand. </p><p></p><p>My guess is your zone circulator pump has failed.</p></blockquote><p></p>
[QUOTE="Mr. Mach-ete, post: 9834231, member: 16424"] Maryland Master HVAC contractor at your service sir. From what I've read you have a boiler with an indirect hot water storage tank? Typically, when the Thermostat at the water storage tank calls for heat the zone relay opens (24vac) at the same time a circulator pump kicks on and allows boiler water to circulate from the boiler through the heat exchanger inside the water tank heating the potable water inside until the thermostat has been satisfied. You say you checked for 24 vac at the solenoid coil? You stated you manually opened the coil regardless. Have you checked the circulator pump that drives the water from the boiler through the tank. Some systems have individual pumps for each zone off the boiler while others utilize one pump with multiple zone valves opening and closing on demand. My guess is your zone circulator pump has failed. [/QUOTE]
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SVTPerformance's Chain of Restaurants
Road Side Pub
Any plumbing & heating guys in here, have ?
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