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The Internal Relief Valve acts as a safety secondary by relieving pressure into the vent line if the main valve fails to shut off tightly
60" WC to ensure the inducer motor generates sufficient static pressure for safe ignition
System Protection: Acts as a primary safety limit to prevent the compressor from operating under high-heat conditions that could lead to motor burnout
Is this part suitable for outdoor installations
Hydrotherm BM-3318 Pilot Tube 323055-751 The Internal Relief Valve actsThe Hydrotherm BM 3318 Pilot Tube is a mission critical OEM replacement part designed for standing pilot assemblies in high efficiency Hydrotherm boilers and commercial heating units. Constructed from heavy duty brass or stainless steel, this 12 inch gas pilot line ensures a steady, regulated fuel flow to the pilot burner, maintaining the precise pilot flame signal required for reliable main burner ignition. Engineered to withstand high pressure