York S1-025-47302-000 Expansion Valve 320734-701 and steam mains

and steam mains

System Protection: Monitors critical water column (WC) thresholds to prevent combustion issues caused by restricted venting or failing inducer motors

this differential pressure switch provides the mechanical consistency required for modern Sterling heating equipment

this system allows contractors to eliminate the standard bypass damper entirely

To ensure safety and compliance with local electrical codes

York S1-025-47302-000 Expansion Valve 320734-701 and steam mainsThe York S1 025 47302 000 Expansion Valve is a critical metered flow control component engineered for high performance 2 ton R410A systems. Built for precision refrigerant management, this thermostatic expansion valve (TXV) maintains the optimal superheat at the evaporator outlet, protecting the compressor from liquid slugging while maximizing heat transfer efficiency. Featuring 3 8 inch ODM x 3 8 inch ODF connections, this brass body valve ensures a