Description
ideal for heavy-duty commercial boiler applications
The high-performance thermoplastic construction ensures robust dielectric strength in harsh HVACR and process environments
Universal R134a Compatibility: Optimized for standard HFC refrigerants in commercial cooling circuits
this Robertshaw-style gas valve integrates seamlessly with modern electronic ignition systems
The RS9210 offers an improved LCD interface and updated firmware for better load management compared to the RS3210 and RS321P
Lochinvar & A.O. Smith 100111335 Burner Assembly 321142-301 ideal for heavy-duty commercial boilerThe Lochinvar and A. O. Smith 100111335 Burner Assembly is a critical OEM replacement component designed for high efficiency commercial water heaters and boilers. This 18 inch natural gas burner assembly features a precision machined #37 orifice, ensuring calibrated BTU input and consistent flame patterns required for optimal thermal heat exchange. Engineered for high output water heater repair, this assembly addresses common combustion issues such as
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy



















