Mod Con Double Stack

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Mod Con Double Stack

Advanced Heating& Hot Water SystemsDouble StackA TRUE10 : 1Turndown RatioBTU Modulation Rates100,000 -1,000,000170,000 -1,700,005Built in Redundancy(No Downtime)Small FootprintPrepiped Reverse ReturnStainless Steel Heat ExchangerGas Fired Commercial BoilerAlso Available: Volume Water HeaterAn Intelligent Design that Delivers Highly EfficientHydronic Heating with 92% Thermal Efficiency


MOD CON DOUBLE STACK • A Look InsideStainless SteelHeat ExchangerPressureReliefValveControlInlet NippleLow WaterSensorOutlet NippleDrain ValveTemperature &Pressure GaugeGasValveEco High LimitCondensateCollectionSystemCombustionBlowerGas LineAdjustableLeveling FeetMOD CON D S • Additional FeaturesMOD CON D S • Optional Equipment• Superior Condensate CollectionSystem (Patent Pending) Easy toService With Overflow Protection• PVC – CPVC – Stainless SteelVenting• Vents Up to 150 feet, Combined• Adjustable Legs• Direct Vent Sealed Combustion• Models Available in Naturalor LP Gas• Easy Access to Wiring and FieldService of Combustion HeatExchanger• Low Water CutoffStandard Equipment• High Limit Manual Reset• Removable Front Cover AllowsEasy Access to Burner Assembly• Zero Clearance to AllCombustible Surfaces• Factory Installed AGA/ASMERated Relief Valve• PC Monitoring for History –System Operation (Optional)• Self Diagnostic Electronic Controlwith Digital Readout to MonitorSystem Parameters• System Sensor (Part # 7250P-324)• Indirect Sensor (Part # 7250P-325)• 6” Stainless Steel Outside Termination Vent Kit (V3000)• High and Low Gas Pressure Switch Kit with Manual Reset(Part # 7350P-600)• U.L. 353 Compliant Low Water Cut-Off Interface Kit withManual Reset (Part # 7350P-601)• Alarm System (Part # 7350P-602) (to monitor any failure)• PC Interface Cable (Part # 7250P-320)• Boiler Caster Kit (Part # 7350P-604)• Mod Con Condensate Neutralizer (Part # 7350P-611)• Flow Switch Kit (Part #7450P-216)


MOD CON DOUBLE STACK • FeaturesIntegrated Control System• Built-In Sequencer for up to 4Mod Con Double Stacked Boilers-Top & Bottom Boilers are Sequenced• Digital Display with Led Status Indicators• Integrated Control Allows Only the Amountof Heated Energy Required• Control Feature Inputs for Outdoor Sensor,0-10 VDC for Building Management Systemand Indirect Sensor• Built-in Low Water Cut Off with AdditionalManual Reset High Limit Switch• Multiple Pump Outputs – Boiler Pump– System Pump – Indirect Pump• 24 Volt Monitor for System Safety• Dual Flame Sensing (Flame Probe & SparkIgnition Probe)Combustion System• Modulating Burner witha True 10 to 1 Turndown• Whisper Quiet Operation• Low NOx Operation• High Grade Inconel Burner• Reliable Spark Ignition• Combined Vent System• Gas Valve (Tested to UL, FM,CSA Standards)Heat Exchanger• All Stainless Steel Construction• No Gaskets, Welded Construction,ASME Approved• 150 PSI Relief Rated• Easy to ServiceHighly Efficient Condensing Technology,means lower energy cost to you!999795939189Single Point Connection:Piping and VentingPrepiped Reverse ReturnQuick Disconnect DesignDouble Heat ExchangerDesign Offers Built-inFail Safe (No Downtime)Primary/Secondaryor Primary Direct PipingMod Con 1700Space SavingsHigh EfficiencyMaster / FollowerControl System8740 60 100 140 160Return Water Temperature (°F )HTP @ 20% HTP @ 60% HTP @ 100%Up to 92% Thermal Efficiency

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