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utilizing standard ODM x ODF connection types for secure brazing
this 2-stage gas valve is the professional choice for maintaining OEM airflow and combustion specifications
this unit ensures superior voltage stability and safety across the secondary circuit
Versatile Application: Broad compatibility across York
Maxitrol TD121B Temperature Selector Refrigerant utilizing standard ODM x ODFThe Maxitrol TD121B Temperature Selector is a critical component for Selectra Series 21 and 31 electronic gas flame modulation systems. Specifically engineered for indirect fired make up air units, this remote selector provides precise setpoint control within a 120 170F temperature range. For a stable discharge air temperature, it must be paired with a TS121B sensor to ensure the resistance curves match the A1010 or A1011 amplifier logic. This
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