Backflow Preventers

Caleffi 573002A AutoFill Combo 1/2 inch Female Automatic Water Boiler Feed with Backflow Preventer

Parts

Viessmann 7179 488 Immersion Temperature Sensor #5

Viessmann 7134 770 3 inch CPVC Combustion Air Intake Adapter

Viessmann Manufacturing® 7134771 Adapter, 4 in Dia, CPVC

Viessmann 7373 253 Double Pipe Vent Adapter

Viessmann 7179 114 Immersion Temperature Sensor #5

Pipes

3/4 X 10 Type M Copper Tubing

1 X 10 Type M Copper Tubing

1-1/2 X 10 Type M Copper Tubing

Circulator Pumps

Grundfos 59896343 UPS15-58-FRC Cast Iron 115 Volt 1/25 Horsepower Three Speed Circulator with Integral Check Valve and Rotated Flange Position less Flanges

Grundfos 52722512 UPS26-99-FC Cast Iron 115 Volt 1/6 Horsepower Three Speed Circulator with Integral Check Valve less Flanges