DriSteem 405884-109 Transmitter 319825-402 While this is an OEM

While this is an OEM Fenwal harness

the main burner orifice may need to be ordered separately depending on your heater's BTU rating and altitude

it is designed to manage thermal loads efficiently in clean

This lead-free safety relief valve features a rugged bronze body and a 125 psi factory set point

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DriSteem 405884-109 Transmitter 319825-402 While this is an OEMThe DriSteem 405884 109 transmitter is designed for precise duct humidity monitoring and high limit control in commercial HVAC systems. This duct humidity transmitter integrates RH sensing with a high limit safety function, making it suitable for humidification control applications where over saturation must be prevented. Built for compatibility with DriSteem systems, this RH duct sensor provides stable signal output for accurate environmental control