this liquid line filter drier can safely be used on single-direction systems

the combustion process must be inspected for proper drafting and heat exchanger integrity

This part is commonly found in the Carrier 38EN-018-310 unit and various Bryant/Payne 1

Can this be used with ammonia (R717)

the 002084F pilot assembly is the primary diagnostic focus

Robertshaw 780-001 Universal Module R-410A this liquid line filter drierThe Robertshaw 780 001 is a professional grade 24V Non Lockout Universal Module engineered for high reliability intermittent pilot ignition. This Uni Kit replacement is a versatile solution for technicians, designed to consolidate truck stock by replacing a wide array of Johnson Controls, Honeywell, and Carrier modules. It features an advanced flame sense circuit that automatically adapts to both local sense (one rod) and remote sense (two rod)