Specifications
Drain Back Tank and Tank StandDrain Back Tank and Tank Stand
National distributor shipping direct throughout the United States
to place orders or for more information: 
800 / 876 / 0660
  fax 888 / 440 / 4219
Wisconsin 800 / 962 / 7015
  Wisconsin fax 920 / 757 / 6452
headquarters 40 Washington Street, Westborough, Massachusetts 01581 • www.efi.org/wholesale
Controls and Pumps
7600.031
Differential Control Kit 
7600.51
Taco Pump 006 BC4 — For Full System
7600.52
Taco Pump 009 BF5 — For Drain Back System
7600.521
Mounting Flange for 009 BF5
System Tanks
7600.033
Drain Back Tank — 10g w/Site Glass
7600.035
Drain Back Tank Stand — 6" Alum
7600.036
Thermal Expansion Tank — 2 Gallon
7600.037
Pressure Gauge for Expansion Tank
Hot Water Storage Tanks
4020.701
50 Gallon water heater — 1 panel system
4020.702
85 Gallon water heater — 2 panel system
4020.703
105 Gallon water heater — 3–4 panel system
External Heat Exchangers
5700.201
Braze Plate Heat Exch. #LA1410 — 1–2 panels system
5700.202
Braze Plate Heat Exch. #LA1420 — up to 6 panels
System Fluid
7600.89
DOW Frost HD 60% 5 Gallon Pail
7600.9
DOW Frost HD 100% 5 Gallon Pail
Copper Fittings, Parts and Pieces
7600.071
Hard Copper 0.75" x 5'
7600.072
Flex Copper  0.75" x 60'
7600.073
Pipe Insulation 0.75" x 0.5" x 6'
7600.041
Mixing Valve 0.75" (110º–145º)
7600.043
Pressure Relief Valve 0.75"
7600.044
Spring Check Valve 0.75"
7600.046
Sweat Flow Meter
7600.21
Coupling — 0.75"
7600.22
Female Fitting — Threaded — 0.75"
7600.23
Male Fitting — Threaded — 0.75"
7600.14
Elbow — 90° — 0.75"
7600.31
Boiler Drain — 0.75"
7600.32
Ball Valve — 0.75"
7600.33
Gate Valve — 0.75"
7600.92
Role of Electrical Tape — 60'
2
DHW Solar System Parts
and Accessories
Differential Control Kit
Pressure Gauge for
Expansion Tank
Sweat Flow Meter
Storage Tank Kit










