
P.28
Differential Temperature Controller
Make
Series
Model Numbers
SunEarth
SETR0301U
SETR0502U
SETR0603mcU
SETR A501 T
SETR A502 TT
SETR A503 TTR
Steca
TR0301U
TR0502U
TR0603mcU
TR A501 T
TR A502 TT
TR A503 TTR
Independent
Energy
Goldline
GL-30-X216
GL-30-X217
or Approved Equal
Drainback Reservoir
Make
Series
Model Numbers
SunEarth
CopperStor
DB-2.5 DB-5.0
DB-7.5 DB-10
SolarH2OT
DBT
DBT 10 SS DBT 15 SS
DBT 20 SS
Rheem
Energy Miser
81VP6S 81VP10S
81VP15S 81VP20S
or Approved Equal
Circulator Pumps
The circulator pump shall be a wet rotor small circulator with a cast iron, stainless steel,
brass or polymer body and a metal or polymer impeller. The pump motor shall be
induction or permanent magnet ECM driven. The pump shall be rated for: maximum fluid
temperatures of no less than 180
o
F and pressures of no less than 125 PSI. The maximum
rated amperage shall be no more than 1.5 Amps and the maximum rated power draw shall
be no more than 135 Watts.
Thermostatic Mixing Valve
The thermostatic mixing valve shall have a bronze, brass or stainless steel body with a
rated maximum working temperature no less than 200
o
F and a rated maximum working
pressure no less than 125psi. The range of temperature set points shall be at least 18ºF
(10ºC) and shall include a set point of 120ºF (50ºC). The Thermostatic Mixing valve shall
be third party listed and certified to one of the following ASSE standards: ASSE 1016;
ASSE 1017; ASSE 1070.