ECONOMASTER II
Energy saving pump control for
Raypak heating and hot water boilers
For use in commercial hydronic heating
and domestic hot water applications, with
Raypak boilers and water heaters.
• Raytherm
• Hi Delta
The Raypak Economaster II is a solid-state time-
delay relay which regulates pump operation to
optimize system efficiency and reduce operating
costs. It activates the pump as needed to support
hot water demand, and shuts the pump down only
after evacuating the boiler's residual heat to the
heating system or hot water storage tank.
Raytherm Heater Series
The Economaster II saves money in several ways.
Electrical costs are reduced, since the pump is not
running constantly. In addition, gas costs are cut,
because residual heat that would otherwise es-
cape through the flue is captured, and water is not
subject to cooling during unnecessary circulation
through the system. Finally, without constant wa-
ter circulation, wear and tear on the boiler water-
ways is also reduced, prolonging the life of the
boiler. And the Economaster II delivers these
savings regardless of variable load conditions
experienced by the boiler!
Economaster Circuit Board
Gas Savings with Economaster II
ModelNumber
BTUHInput
Cost per Therm
0.30
181
624
1223
1826
3001
181,000
627,000
1,222,500
1,825,000
3,000,000
Annual Savings (dollars)
56
196
391
587
782
381
763
570
1139
1709
2278
936
1872
2808
3744
0.60
113
169
226
0.90
1144
1526
1.20
Savings based on typical heater operation. Your results may vary.
Catalog No.: 5100.20-I
Effective: 12-28-07
Replaces: 03-15-03
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