A failing or fouled 26878 boiler part is the primary cause of units that cycle on for several seconds before locking out on a safety fault

The snap-action switch provides a clean break

ensuring system flow is maintained during power outages

an open circuit or significant deviation from OEM specs indicates a failed solenoid

As the official replacement for the legacy TE-632AP-1 temperature sensor

Emerson Alco 099024 Pressure Control Els PW 17895 A failing or fouled 26878The Emerson Alco 099024 (Model PS1 X3K) is a high performance single pressure control designed for low pressure side monitoring in commercial refrigeration, air conditioning, and heat pump systems. Engineered as a direct replacement for 097904, this auto reset pressure switch features an adjustable setpoint range from 9" Hg to 102 psig and a flexible differential range of 15 to 73 psig. The inclusion of extended adjustment spindles allows for precise