4
4.
Before Installation
Checkup
• Check the fixing brackets and vent pipe yearly for damage or wear. Replace if necessary.
DANGER
Do Not Use Equipment for Purposes Other Than Those Specified
• Do not use for other than increasing the temperature of the water supply, as unexpected accidents
may occur as a result.
Check Water Supply Quality
• If the water supply is in excess of 12 grains per gallon (200 mg/L) of hardness, acidic or otherwise
impure, treat the water with approved methods in order to ensure full warranty coverage.
WARNING
CAUTION
Check the Gas
• Check that the rating plate indicates the
correct type of gas.
• Check that the gas supply line is sized for
199,900 Btuh for this unit.
Check the Power
• The power supply required is 120VAC, at 60Hz.
May result in fire or electric shock.
Use Extreme Caution if Using With a Solar Pre-Heater
• Using this unit with a solar pre-heater can lead to unpredictable output temperatures and
possibly scalding. If absolutely necessary, use mixing valves to ensure output temperatures do
not get to scalding levels. Do not use a solar pre-heater with the quick-connect multi-system.
Do not place outdoors
• This water heater is designed for indoor use only. If installed outdoors, rainwater may enter the
unit causing damage. Wind may also enter the burner chamber causing damage or fire.
199,900
168,000
2.4
2.25
"
2.25
"
2.4
192,700
162,200
199,900 BTU
16,000 BTU
202
4.0
1.0
2.25"
10.5"
765
ANSI Z21.10.3-2014/CSA 4.3-2014
15
150
4
NR98SV (GQ-2857WX-F US)
