Broad ICP Compatibility: Officially replaces HH12ZA199 and other legacy Carrier furnace parts

8" WC during high-fire demand

While the 221526 is factory-calibrated for Natural Gas

you know that intermittent ignition failures are usually traced back to a failing control module

Precision Switching: Features a heavy-duty SPDT switch for versatile "open high" or "open low" wiring configurations

Johnson Controls V43BS-3 Regulating Valve 322055-301 Broad ICP Compatibility: Officially replacesThe Johnson Controls V43BS 3 is a 2 inch, heavy duty pressure actuated water regulating valve engineered for precision head pressure control in water cooled condensers. Constructed with a red brass body to withstand high stress environments, this valve is NAVSEA certified, making it the industry standard for naval and marine applications where MIL spec compliance is mandatory. This model features a four hole ASME flanged connection and operates within