Burner Gas Pressure Check - Rheem II Series Service Instructions Manual

BURNER GAS PRESSURE CHECK

Voltages up to 240 volts will be present within the water heater, take care
not to touch wiring terminals. Use an insulated tool when operating the DIP
switch or MIN and MAX buttons.
Minimum Burner Gas Pressure
1. Remove the front panel from the water
heater.
2. Remove burner test point screw and fit
manometer.
3. Turn on the remote controller (If fitted).
4. Open a hot tap slowly, to achieve the
minimum flow rate at which the burners
will ignite.
5. Press and hold the MIN button ("1L" is
displayed on the LED) and observe the
reading on the manometer.
6. Release the MIN button. If the reading
observed in step 5 agrees with the rating
label, no further adjustment is required.
TM090 12-26 Series II CFGWH Service Instructions
REV AB – Issued February 2019
This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed "uncontrolled"
Maximum Burner Gas Pressure
7. Open the hot tap fully to achieve
maximum flow rate.
8. Press and hold the MAX button ("6H" is
displayed on the LED) and observe the
reading on the manometer.
9. Release the MAX button. If the reading
observed in step 8 agrees with the rating
label, no further adjustment is required.
10. Turn the hot tap off.
11. Remove manometer and refit the burner
test point screw ensuring the seal is gas
tight.
12. Refit the front panel to the water heater.
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