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P/N 42-9470 11/07 Copyright 2007 Mestek, Inc.
Cast iron condensing boiler
Cast iron condensing boiler
— Installation and operation manual
The Mestek
200
i
condensing cast iron boiler
200
i
components
Components
Gas valve
Pressure/temperature gauge
Jacket
Cast iron section assembly
Inlet air fi lter access panel
Blower
200i
SmartCycle
TM
control
with keypad and display
Venturi assembly
Pressure switches (blocked
fl ue and blocked air inlet)
Control connection board
Electrical box (power and
control entrances)
Water return connection
Air inlet sleeve
Relief valve
Relief valve piping
(by installer)
Water supply connection
Fenwal ignition module
Ignition electrodes/fl ame
rod assembly
Control transformer
(120/24 VAC)
Postpurge circulator,
factory-installed and piped
Vent connection sleeve
(with fl ue gas sampling port)
Condensate tubing connection
Upper section cover and
premix burner
Gas connection, ½” NPT
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