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How to Program a Maxitrol Mertik G6R-H3T5 Fireplace Remote (2026 Guide)
TL;DR — To pair a Maxitrol Mertik G6R-H3T5 transmitter with the GV60 receiver: (1) press and hold the receiver's reset button until you hear two beeps; (2) within 20 seconds, press the transmitter's small ON button; (3) listen for a long confirmation beep — the remote is now paired. The same procedure works for both regular G6R-H3T5 and the ZV spark ignition variant. If pairing fails, replace the receiver batteries first.
The Maxitrol Mertik G6R-H3T5 is the standard remote transmitter used by Valor, Mendota, Kingsman, Montigo, Empire, and many other premium gas fireplaces with the Mertik GV60 valve and G6R-R3AM receiver. Programming and pairing is straightforward — but the steps must be followed exactly to avoid frustrating retries.
What You Need
- The G6R-H3T5 transmitter (or G6R-H3T5-ZV for spark ignition systems)
- Access to the receiver — usually located in the lower control compartment of the fireplace, behind the louver
- Fresh batteries in BOTH transmitter and receiver (replace if more than 1 year old)
Pairing Procedure (Regular G6R-H3T5)
- Verify batteries: Install fresh AAA batteries in the transmitter (4) and 4xAA batteries in the receiver. Old batteries are the #1 cause of pairing failures.
- Locate the reset button on the receiver. The G6R-R3AM receiver has a small reset button — usually a tiny recessed button near the LED.
- Press and HOLD the reset button until you hear two consecutive beeps. Release.
- Within 20 seconds, press the small ON button on the transmitter (the one with the flame symbol).
- Listen for a long single beep — this confirms successful pairing.
- Test: Press ON to verify ignition. Press OFF to verify shutdown.
Pairing the G6R-H3T5-ZV (Spark Ignition Variant)
The ZV variant adds an electronic spark ignition button. Pairing is identical to the regular G6R-H3T5 procedure above, but you'll also need to confirm the spark ignition module is paired:
- Complete the standard pairing procedure above.
- Press and hold the IGNITE button on the transmitter — you should hear a click and the spark module fire.
- If no spark, the spark module needs separate pairing: press and hold the spark module reset (located near the receiver), then press IGNITE within 20 seconds.
Common Programming Modes
- Manual mode: Use ON/OFF and flame UP/DOWN buttons for direct control.
- Thermostat mode: Press the THERMO button — the transmitter measures room temp and modulates flame to maintain set temperature.
- Timer mode: Press the SET button + arrows to set a countdown shutdown timer (max 9 hours).
- Eco mode: Reduces flame between thermostat cycles for fuel savings.
Troubleshooting Pairing Failures
- "No beeps from receiver when reset is held": Replace receiver batteries. Verify gas is on (the receiver may not respond if pilot is out).
- "Pairing succeeds but ignition fails": Pilot may be out — check pilot flame. Some fireplaces require pilot to be lit before remote will function.
- "Remote works intermittently": Replace transmitter batteries. Check receiver antenna position (some receivers have a small wire antenna that should hang freely).
- "Multiple remotes interfering": The GV60 system supports only one paired transmitter. To add a second remote, both must be paired in the same session within 20 seconds.
Where to Buy a Replacement G6R-H3T5
If your transmitter is damaged or lost, we carry the full Mertik / Maxitrol product range:
- Mertik G6R-H3T5 Transmitter (regular)
- Mertik G6R-H3T5-ZV Transmitter (spark ignition variant)
- Full Mertik Gas Valves & Controls collection
- Maxitrol Gas Controls collection (same products, U.S. brand name)
Frequently Asked Questions
Can I use any G6R-H3T5 transmitter with my fireplace?
Yes — Mertik G6R-H3T5 transmitters are universally compatible with any GV60 + G6R-R3AM receiver system. The same physical transmitter ships under different brand labels (Valor, Mendota, Kingsman) — they're identical.
What is the difference between G6R-H3T5 and G6R-H3T5-ZV?
The ZV variant adds an electronic spark ignition button for fireplaces with spark ignition (vs standing pilot). The regular G6R-H3T5 lacks this button. Match your existing transmitter type when ordering replacement.
How long do G6R-H3T5 batteries last?
Transmitter batteries (4 x AAA) typically last 12-18 months with daily use. Receiver batteries (4 x AA) last 2-3 years. Replace both when the system starts behaving erratically.
Why does my G6R-H3T5 transmitter not pair?
Most common cause: dead receiver batteries. Replace receiver batteries first, then retry the pairing procedure. Second most common: pilot is out — light the pilot before pairing.
Fireplace Choice has been an authorized dealer for 12+ years. For technical questions or warranty support, contact our team.
- Tags: 2026, fireplace remote, g6r-h3t5, gv60, maxitrol, mertik, programming, troubleshooting
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