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Ships within 48 hours · Estimated delivery Sep 11 - Sep 16
Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
Bypassing a flame rollout switch is dangerous and violates safety codes
Can I use an auto-reset switch instead of this manual reset version
Versatile Application: Ideal for furnace blowers
and heating elements
professional technicians must note that two packing spacers are required per valve body to meet original equipment specifications
Lennox 31J91 LP Pilot Orifice Bypassing a flame rollout switchThe Lennox 31J91 LP Pilot Orifice is a precision engineered liquid propane (LP) conversion component designed specifically for residential and commercial gas heating systems. As a critical mechanical replacement for the legacy 31J9101, this red coded orifice ensures consistent gas flow regulation to the pilot burner assembly, maintaining a stable flame for reliable ignition cycles. Field tested for durability, the Lennox 31J91 is manufactured from
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