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USE AND INSTALLATION 

INSTRUCTIONS

0695000_IBK   rev.00 

1

695 NGA

FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE INSTALLING OR
OPERATINGTHIS CONTROL COULD CAUSE PERSONAL INJURY AND/OR PROPERTY DAMAGE

DESCRIPTION

The 695 NGA water heater control is a combination gas valve
and thermostat for use on atmospheric water heaters.
The microcontroller equipped electronics monitor the water
heater and indicates the status via a green status LED on the
front of control.

Fixed Adjustment Regulator Controls: the gas regulator on this
control requires no field service. The regulator automatically
controls and maintains the burner gas pressure.

PRECAUTION

WARNING

WHAT TO DO IF YOU SMELL GAS

Do not try to light any appliance

Do not touch any electrical switch; do not use any phone in
your building

Immediately call your gas supplier from a neighbor's phone.
Follow the gas supplier's Instructions

If you cannot reach your gas supplier, call the fi department

WARNING

Pay attention to use the gas controller with the correct gas:

The 695 NGA with BLACK thermostat knob (see Figure 2) is
allowed to be used with Natural Gas only

The 695 NGA with RED thermostat knob (see Figure 2) is
allowed to be used with LP Gas only

Improper operation could occur, resulting in personal injury
and/or death due to Carbon Monoxide (CO) poisoning, fire, or
explosion. Check for proper gas type as listed on the rating plate
affixed to the water heater.

WARNING

FIRE AND EXPLOSION HAZARDS

Shut off main gas to appliance for service or until installation
is complete

Replace existing control with recommended model

Protect the control from direct contact with water (dripping,
spraying, rain, etc.)

If the control has been in direct contact with water, replace
the control

Label all wires before disconnection when servicing controls;
wiring errors can cause improper and dangerous operation

Route and secure wiring away from flame

Do not use tools to operate this control

Do not take control apart, there are no serviceable parts
inside

Do not use control if it has been flooded

Never stand on the control or use as a step

EN

Summary of Contents for 695 NGA

Page 1: ...e fi department WARNING Pay attention to use the gas controller with the correct gas The 695 NGA with BLACK thermostat knob see Figure 2 is allowed to be used with Natural Gas only The 695 NGA with RED thermostat knob see Figure 2 is allowed to be used with LP Gas only Improper operation could occur resulting in personal injury and or death due to Carbon Monoxide CO poisoning fire or explosion Che...

Page 2: ...heater drain cock Drain the water to a nearby drain Open a hot water faucet for faster draining 6 Disconnect the gas line at the union Figure 1 Remove the piping from the old control 7 Disconnect main burner tube fitting and pilot tube fittings Figure 2 8 Remove the control by turning counter clockwise if needed a short piece of 1 2 black iron pipe can be screwed into the control inlet to increase...

Page 3: ...nstruction sheet If you do not detect gas continue with the next step 4 To expose inner door sight glass remove outer door and insulation if applicable Do not attempt to remove inner door assembly 5 Rotate the combination gas control thermostat knob clock wise to the PILOT position Figure 3 6 Depress and hold the gas control thermostat knob all the way in while immediately depressing the PILOT IGN...

Page 4: ... are people most commonly hurt in scald injuries and in need of lower temperature and other protection like supervision point of use temperature control equipment or a system mixing valve A point of use valve or system mixing valve can be obtained from your local plumber To avoid scald injury set the control to the lowest setting which will deliver your needed hot water Refer to Table 1 to determi...

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