Burner Spark Electrode And Flame Sensor Rod Annual Inspection; Pressure Relief Valve (50 Psi) - Pentair ETi 400 NA ASME Guía De Instalación Y De Usuario

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Section 4: Maintenance and Care
54
BURNER SPARK ELECTRODE AND FLAME SENSOR ROD
ANNUAL INSPECTION
The following maintenance is recommended every 12 months and at the start of every swimming season:
The Thermal Insulation must be checked every 12 months, and if necessary be replaced. Inspect the Thermal Insulation
for signs of exterior damage to the device. It is recommended to call a qualified service technician to inspect the
Thermal Insulation.
0.2 - 0.22 in
Figure 37. (A) Burner Spark Electrode

PRESSURE RELIEF VALVE (50 PSI)

To avoid water damage or scalding from operation of the pressure relief valve (see Figure 39), install a drain pipe in
the outlet of the pressure relief valve that will direct water discharging from the valve to a safe place for disposal. Do
not install any reducing couplings or valves in the drain pipe. The drain pipe must be installed so as to allow complete
drainage from the valve and drain line. The relief valve should be tested at least once a year by lifting the valve lever.
Explosion hazard. Any heater installed with restrictive devices in the piping system downstream from the heater, (including
check valves, isolation valves, flow nozzles, or therapeutic pool valving), must have a relief valve installed as described
above.
Figure 39.
ETi 400 High Efficiency Pool and Spa Heater Installation and User's Guide
Spark Electrode
Flame Sensor
0.6 - 0.66 in
Pressure Relief Valve
Spark Electrode
Figure 38. (B) Flame Sensor Rod
(FACTORY INSTALLED)
WARNING
0.110 - 0.160 in
Rev. C 4/2017

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