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Small black rubber valve with ridged body and tapered outlet

Donaldson

Donaldson P522958 Vacuator Valve

SKU CH-5BFZ-VZFSF

A Vacuator valve that automatically expels moisture and debris from air-intake systems

  • Genuine Donaldson quality ensures reliable HVAC performance
  • Vacuator valve design removes moisture from air systems
  • Direct-from-manufacturer supply guarantees authentic replacement part
  • Listed February 15, 2025 for current production
  • Free shipping on orders over $75 reduces total cost

Donaldson P522958 Vacuator Valve

The Donaldson P522958 Vacuator Valve is a new HVAC component designed for RV air systems. It functions as a replacement part to maintain proper airflow and pressure regulation within the vehicle's heating and cooling setup. RV owners and service technicians use it to restore factory ventilation performance.

Direct manufacturer shipment

Orders valued at $75 or more qualify for free shipping directly from the manufacturer. This fulfilment method reduces handling steps and ensures the valve arrives in original factory condition. The streamlined logistics chain supports faster turnaround for maintenance schedules.

Suited for RV HVAC maintenance

This valve suits owners servicing Donaldson-equipped RV ventilation systems who need an exact-fit replacement part. Buyers requiring a different brand specification, a valve with alternate port dimensions, or a complete HVAC assembly should look at other product lines.

How it compares

Measured against everything we stock in Fans, Vents & Climate Control, at today’s prices. Recalculated every night.

Price $8.99
Cheaper than about 95% of the 328 comparable items (median $68.99).

Specifications

Product
Brand nameDONALDSON

Questions about this item

When does the P522958 Vacuator Valve need replacement?

Replace the valve when the rubber sleeve shows cracking, hardening or loss of elasticity, as these signs indicate it can no longer seal and eject dust automatically.

What limits continuous operation of the P522958 Vacuator Valve?

The rubber sleeve is the first component to degrade; heat cycles and ozone exposure cause it to stiffen, so the valve stops pulsing open under engine vacuum.

How much heat does the P522958 Vacuator Valve add when running all day?

The valve adds no measurable heat; it is a passive rubber component that opens only when engine vacuum pulses, consuming zero power and generating no noise.

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