Johnson Controls J999MHA-2H Multi-Mount Universal Replacement Pilot Burner Assembly – Natural or LP Gas Compatible

Johnson Controls J999MHA-2H Multi-Mount Universal Replacement Pilot Burner Assembly – Natural or LP Gas Compatible

Condition: New.

The Johnson Controls J999MHA-2H is a universal multi-mount replacement pilot burner assembly that is designed to fit a wide variety of gas-fired heating appliances. It’s compatible with both natural gas and LP (propane) and includes a mounting bracket for multiple configurations, making it a trusted choice for HVAC technicians looking to stock a reliable, adaptable component for pilot system repairs.

Features
Model: J999MHA-2H
Type: Universal Multi-Mount Pilot Burner Assembly
Gas Compatibility: Natural Gas and LP Gas
Mounting: Multi-mount bracket system for flexible installation
Inlet Type: Compression fitting
Ignition Source: Match-lit or spark ignition
Includes:
Pre-assembled pilot burner
Mounting bracket hardware
Gas tubing connection
Orifices for both natural gas and LP
Material: Stainless steel pilot burner tip for long service life
Flame Pattern: Designed for stable ignition and flame sensing
Use With: Can be adapted to work with thermocouples or flame sensors depending on system requirements

Applications
Furnaces – Gas-fired residential and light commercial units
Water Heaters – Pilot ignition systems for natural or LP models
Boilers – Replacement component for intermittent or standing pilot systems
Commercial Kitchen Equipment – Ovens, fryers, and other appliances
Unit Heaters and Space Heaters – Particularly older models where OEM burners are discontinued

Cross-Referenced and Compatible Models
Compatible with or replaces pilot assemblies in systems from:
Honeywell Q314A series (with appropriate orifice)
Robertshaw 1970 series
White-Rodgers 103404
Johnson Controls J996 Series – The J999 series is an updated form
Rheem, York, Lennox, and other brands (check specs and fittings)

Comparable Products
Honeywell Q314A4586 – Universal pilot burner, single tip
Robertshaw 1980-036 – Universal thermocouple-compatible pilot burner
White-Rodgers 3098-156 – Universal standing pilot assembly
Johnson Controls J999MDA-1H – Alternate mounting configuration, same performance

System Use and Installation
This unit is field-configurable to replace a wide range of OEM pilot burners. Designed for:
Natural draft furnaces and boilers
Older standing pilot appliances
Dual-fuel or multi-zone equipment
Installation Notes:
Select appropriate orifice for gas type (included)
Mount using compatible bracket orientation
Ensure pilot flame contacts the thermocouple or flame rod
Confirm gas leak integrity at compression fittings

Related
universal pilot assembly for furnace
J999MHA-2H Johnson Controls pilot burner
multi-mount pilot burner for natural and LP gas
HVAC replacement ignition pilot
pilot burner with orifice kit
standing pilot burner for boiler or heater
Johnson Controls burner ignition part
universal fit pilot burner assembly

Common Requests:
Is this pilot burner compatible with LP gas?
– Yes, it includes orifices for both natural gas and propane (LP).
Does this unit work with thermocouple-based systems?
– Yes, it supports standard thermocouples and can be adapted accordingly.
Can this replace my older Johnson Controls J996 model?
– Yes, the J999MHA-2H is the newer universal replacement.
Does it come with mounting hardware?
– Yes, it includes a universal bracket and hardware for installation.
Can it be used with a spark ignition module?
– Yes, it can work with either match-lit or spark ignition systems depending on configuration.

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