though horizontal installation is acceptable if the flow arrow on the DHY1478 housing is strictly followed

To ensure safety and proper operation

Versatile Fuel Compatibility: Approved for use with natural gas

effectively preventing hazardous gas accumulation by signaling the ignition module to close the gas valve if the flame is not detected

Reliable Mechanical Life: The bellows sensing element is engineered for high-cycle durability

Hydrotherm 04-1343 Electrode 321894-709 though horizontal installation is acceptableThe Hydrotherm 04 1343 Electrode is a critical OEM replacement part engineered for high performance boiler ignition and flame sensing. As a genuine Hydrotherm ignitor component, this 8 inch single electrode features a durable ceramic sleeve and a precision bent rod end designed to withstand the harsh thermal environment of a combustion chamber. It provides the necessary high voltage spark to initiate the combustion process and utilizes flame