1. 80 gal Elec. DHW 120+F ch H C r Pressure Temperature Relief Valve r Legend Exists Today

2. T 1500 gal 120-190F 0 psig P P m T T DHW coil 80 gal Elec. DHW 120+F ch BdP T H C Legend m P P BdP Mixing Valve Zone Pump(s) Bidirectional Differential Pump Under floor radiant heat 1500 sq ft (aprox) w/some carpet r Pressure Temperature Relief Valve r T Thermocouple 350,000 Btu/hr 920,000 Btu stored Add Wood Heat & Hot Water

3. 80 gal Elec. DHW 120+F 120 gal DHW 40-180F c hc h m DHW coil dP T T H C Legend m dP Mixing Valve Differential Thermostatically Activated Pump r Pressure Temperature Relief Valve r r r A A Air Gap E E Expansion Tank T Thermocouple 40 sq ft Propylene Glycol 30 psig cold Azimuth 150 Altitude 45 Ball Valve Add Solar

4. 1500 gal 120-190F 0 psig P P m T T DHW coil 80 gal Elec. DHW 120+F 120 gal DHW 40-180F c hc h m DHW coil BdP T T dP T T H C Legend m P P BdP dP Mixing Valve Zone Pump(s) Bidirectional Differential Pump Differential Thermostatically Activated Pump Under floor radiant heat 1500 sq ft (aprox) w/some carpet r Pressure Temperature Relief Valve r r r A A Air Gap E E Expansion Tank T Thermocouple 40 sq ft Propylene Glycol 30 psig cold 350,000 Btu/hr 920,000 Btu stored Azimuth 150 Altitude 45 Ball Valve