Durable Cast Iron Build: Engineered for heat dissipation and vibrational dampening in continuous-duty cycles

this unit features a 19/33-inch port and 7/8 ODF extended solder ends

this 3/4 inch water relief valve maintains the safety integrity required by commercial and residential codes

Durable Construction: Shock and vibration resistant internal mechanism ensures long-term positive make/break action

How do I verify if VAL10581 is the correct fit for my evaporator

Trane KIT15331 Pressure Switch 322056-301 Durable Cast Iron Build: EngineeredThe Trane KIT15331 Pressure Switch is a specialized high altitude conversion kit designed to maintain precise combustion analysis and safe furnace operation at elevations typically exceeding 4,000 feet. At these altitudes, the lower air density results in insufficient negative pressure for standard factory switches, which can lead to nuisance lockouts, pressure switch errors, and unreliable draft inducer performance. This OEM High Alt Press Switch