Neptronic Parts | Genuine OEM Humidifier & HVAC Components
Genuine Neptronic Humidifier Parts & Equipment
Rapid HVAC Parts carries the Neptronic catalog: OEM replacement parts for SKE4, SKG4, SKH4, SKR, SKS4, SKD and SKVF humidifiers, plus steam distribution, options, water treatment and complete humidifiers. Every item shows its lead time, and free standard shipping is included. Not sure what you need? Send us the model and serial number and we will confirm the part before you order.
Shop by Humidifier Series
Find parts, options and complete units for your model.
SKE4 Electric Steam HumidifiersElectric steam humidifiers for commercial air handlers and ductsSKG4 Gas-Fired HumidifiersGas-fired steam humidifiers for high-capacity needsSKH4 Atomizing HumidifiersHigh-pressure atomizing units, all stage and voltage optionsSKR Compact HumidifiersCompact electric steam humidifiers for smaller spacesSKS4 Steam-to-SteamSteam-to-steam units that use your boiler steamSKD Direct Steam InjectionDirect steam injection humidifiers and valvesSKVF Evaporative HumidifiersEvaporative humidifiers and coolersSDU Space Distribution UnitsSteam fans for open-space humidification
Popular Neptronic Parts
The categories customers order most.
Heating ElementsGenuine Neptronic elements by model and voltageCircuit Boards & DisplaysControl boards, displays and modulesValves & ActuatorsFill and drain valves, steam valves, actuatorsWater Level Probes & SensorsFoam and water level probes, temperature sensorsTransformersControl and power transformersContactors, Relays & DrivesContactors, solid-state relays and VFDsGaskets, Seals & WashersChamber gaskets, O-rings and seal kitsChambers, Tanks & CoversEvaporation chambers, cylinders and coversPumps & Pump KitsDrain and recirculation pumps and kitsSteam HoseSold by the foot: first foot plus additional feetWiring Harnesses & CablesHarnesses and cable assembliesCabinet, Covers & PanelsCabinet parts, panels and covers
More Neptronic Categories
Multi-Tube Steam ManifoldsManifolds and manifold connectorsOptions & AccessoriesOptions for SKE4, SKG4, SKH4, SKS4 and moreWater TreatmentRO systems, softeners, filters and UVHumidity Controls & SensorsHumidistats and controlsFiltersReplacement water and air filtersFans, Blowers & MotorsFans, blowers and motors
Equipment sales policy. Complete humidifiers and equipment may be subject to manufacturer territory and distribution restrictions and are sold to qualified HVAC professionals. Equipment orders are reviewed before shipment. Read the full policy. Replacement parts ship normally.
Need Help Finding the Right Neptronic Part?
Our team can match a part number, confirm what fits your humidifier and get you a lead time quickly. Have the model and serial number from the unit nameplate ready.
Email Parts@rapidhvacparts.com for anything you do not see listed.
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