allowing for targeted cleaning or replacement of the flame rod rather than trial-and-error part swapping

the draft inducer cannot pull the required vacuum to close the pressure switch

such as a clogged filter or blocked return air vents

this component features a factory-calibrated trip point at 450°F (232°C) to ensure system safety by interrupting the power circuit upon reaching the thermal ceiling

It features a 1/4" SAE flare equalizer connection and a 5-foot capillary tube

Emerson Alco 054969 Expansion Valve 320074-702 allowing for targeted cleaning orThe Emerson Alco 054969 is a high performance thermostatic expansion valve (TXV) engineered for precision refrigerant metering in commercial refrigeration systems. Featuring a balanced port design, this model HFE 1 2 RW45 5FT 3 8 x 1 2 SAE ANG ensures stable superheat control across varying head pressures, making it a reliable choice for R502 applications requiring 1 2 ton capacity. The externally equalized configuration allows for accurate pressure