1、[Compatibility] Replacement for Mr. Heater MH9B (2001-2008), replacement for Mr. Heater MH9BX (2009+), replacement for Mr. Heater MH18B, and other C3H8 heaters. With part numbers F273401, 73404, 78422, and F278527 2、[C3H8 Specific Design] The portable heater pilot assembly works exclusively with C3H8 heaters. It is not compatible with other fuel types, ensuring safe and proper operations 3、[Common Issue Solution] The F273401 component addresses frequent problems such as inconsistent ignition, flame outages, thermocouple failures, and inefficient heating, restoring the performance 4、[Sturdy Construction] Crafted from robust stainless steel and brass materials, this pilot assembly is rustproof and resists deformation, offering extended longevity as a dependable replacement for worn out original parts 5、[Easy Installation] The MH9B heater pilot assembly requires no special tools for setup. Equipped with standard connectors, simply plug and play for quick replacement without hassle
Specification
Item Type: Heater Pilot Assembly
Product Material: Stainless Steel, Brass
Applicable Model:
Replacement for Mr.Heater MH9B (2001-2008)
Replacement for Mr.Heater MH9BX (2009+)
Replacement for Mr.Heater MH18B
Part Number: F273401, 73404, 78422, F278527
Weight: Approx. 84g / 3oz
Package List
2 x Heater Pilot Components
Note
1. Make sure to turn off the gas supply before installation.2. This pilot assembly is only applicable to C3H8 heaters and cannot use with other fuel.
Products received faulty, damaged, or not as described are eligible for a return, refund, or replacement in accordance with local consumer laws. We are committed to ensuring all products meet the standards of quality and reliability expected by our customers. Please note that we do not accept returns or provide refunds for change of mind. We encourage you to carefully consider your purchase to ensure it meets your needs and expectations.
Delivery & returns: ships from Australian warehouses, usually within 5–12 business days. A few very remote postcodes can’t be reached by our couriers — if yours is one, we’ll contact you before dispatch. Faulty or damaged items are covered under the Australian Consumer Law.
