Hearth & Home SP18NG - User Manual

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Models:

SP18NG, SP18LP, SP24NG,

SP24LP, SP30NG, SP30LP,

STSP18NG, STSP18LP,

STSP24NG, STSP24LP

Fireside Burner/Hearth Kits

Installation

Instructions

Check with your local building code agency before you begin installation to ensure compliance with local codes, including

the need for permits and follow-up inspections. If you encounter any problems regarding code approvals, or if you need

clarification of any of the instructions contained here, contact the Technical Services Dept., Hearth & Home Technologies

Inc., phone 1-888-427-3973 or 1-800-927-6841.

Note: An arrow (¨) found in the text signifies change in

content.

DO NOT DISCARD THIS MANUAL

CAUTION

• Important operating

and maintenance

instructions included.

• Leave this manual with

party responsible for

use and operation.

• Read, understand

and follow these

instructions for safe

installation and

operation.

DO NOT

DISCARD

If the information in these instruc-

tions is not followed exactly, a

fire may result causing property

damage, personal injury, or death.

• Do not store or use gasoline or other flam-

mable vapors and liquids in the vicinity of

this or any other appliance.

• 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 fire department.

• Installation and service must be performed

by a qualified installer, service agency, or

the gas supplier.

WARNING

HOT! DO NOT TOUCH.

SEVERE BURNS MAY RESULT.

CLOTHING IGNITION MAY RESULT.

WARNING

• Keep children away.

• CAREFULLY SUPERVISE children in same room as

appliance.

• Alert children and adults to hazards of high

temperatures.

• Keep clothing, furniture, draperies and other

combustibles away.

Glass and other surfaces are hot during

operation and cool down.

Installation and service of this

appliance should be performed by

qualified personnel. Hearth & Home

Technologies suggests NFI certified

or factory-trained professionals, or

technicians super-

vised by an NFI

certified profes-

sional.

In the Commonwealth of Massachusetts:

• This appliance must be installed by a licensed plumber

or gas fitter.

• The chimney flue damper, when used with gas logs, will

be welded open or completely removed.

• A CO detector shall be installed in the room where the

appliance is installed.

Hearth & Home Technologies • Fireside Burner/Hearth Kits • 4004-318 •Rev F 5/2013

Questions and Answers

A
Andrew RiosAug 1, 2025
What to do if the pilot lights but won't stay lit on my Hearth & Home SP18NG Gas Heater?
- K
  Kimberly Bennett MDAug 1, 2025
  If the pilot light on your Hearth & Home Gas Heater lights but doesn't stay lit, there are several potential causes. The thermocouple might be either too tight or too loose; ensure it's finger-tight plus an additional 1/8 turn with a wrench. A weak pilot flame could also be the issue; the pilot flame should fully engulf the thermocouple, so cleaning or adjusting the pilot for maximum flame impingement may help. Finally, the thermocouple itself could be defective. Test it with a millivolt meter; readings should exceed 14 mV. If not, replace the thermocouple.
R
reynoldsamyAug 14, 2025
How to fix a Hearth & Home SP18NG Gas Heater when a match will not light the pilot?
- Z
  zjonesAug 14, 2025
  If a match won't light the pilot on your Hearth & Home Gas Heater, first ensure the main gas shutoff valve on the incoming gas line is open. If that's not the problem, there may be air in the gas line; turn the valve knob to the “PILOT” position, depress, and hold a lit match near the pilot burner until it lights. Also, make sure the valve knob isn't in the “OFF” position; it should be in the “PILOT” position when lighting. Check the plumbing to make sure that the fireplace has been hooked up the gas supply line. Check if the propane tank is empty.