which is essential for proper thermocouple or thermopile immersion

it is Maxitrol tested to handle a 1 PSI maximum inlet pressure

ensuring the vented combustion gases are properly exhausted before the ignition sequence begins

The set point is adjusted by turning the knurled knob

Littelfuse CT1S45 Timing Module 319848-301 which is essential for properThe Littelfuse CT1S45 is a high performance ON OFF timing module engineered specifically for the rigorous demands of commercial and residential HVACR control circuits. As a veteran preferred 24VAC delay timer, this unit integrates both delay on make (1 second) and delay on break (45 seconds) functionality into a single, compact footprint. This dual timing capability is essential for managing fan cycles and preventing equipment short cycling, ensuring