High Compatibility: Direct fit for S201 series AC valves ending in N5CG4 or N5DG4

pressure switch stuck open/closed

Smith 100135300 Main Burner is the direct OEM replacement burner for failing or carbon-fouled units in commercial water heaters and boilers

this NAT GAS PILOT ASSY W/ELECTROD includes the pilot burner

Carrier HT01BC231 Transformer 321894-709 High Compatibility: Direct fit forThe Carrier HT01BC231 Transformer is a critical replacement component for commercial and residential HVAC systems requiring a step down from 200 230V primary to a stable 24V secondary output. Rated at 60VA, this Class 2 transformer provides the necessary volt ampere capacity to power multi stage low voltage control circuits, including contactors, relays, and programmable thermostats. Designed for durability in high demand environments, the HT01BC231