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SHANOER 4040 24V Humidifier Solenoid Valve, 2.3W1 / 6
Product guide

SHANOER 4040 24V Humidifier Solenoid Valve, 2.3W

SHANOER 4040 is a 24V replacement humidifier solenoid valve listed for several Aprilaire models and the A2018-S150 part. Its stated electrical and orifice specifications, plus brass fittings and compression nuts, make model and voltage matching the key checks before purchase.

At a glance

  • Listed as a replacement for A2018-S150 and a range of Aprilaire humidifier models.
  • Only specified for 24V humidifiers. The listing explicitly excludes 12V models.
  • The listing describes two brass installation fittings and included compression nuts.
  • Described as controlling water flow to help maintain the humidifier water level.
Price
$28.79Save 20%

Reference price: $35.99

Price checked: Nov 13, 2026

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Pros and cons

Pros

  • Broad stated compatibility across several Aprilaire model numbers, including certain 350 and 360 units when equipped for 24V.
  • Brass fittings and compression nuts are described as included, which may simplify a matching replacement installation.

Technical specifications

10 specifications
Identity
BrandSHANOER
Electrical and valve specifications
Voltage24V
Power2.3W
Frequency60Hz
MOPD125 MOPD
Orifice3/64
Compatibility
Replacement partA2018-S150
Physical details
Product weight191g
Packaging weight10g
Packaging2# envelope (14×16cm)

What to know before buying

  • Confirm the humidifier's exact model and that its existing solenoid is 24V before ordering. The listing does not provide installation instructions beyond mentioning a screwdriver and wrench.

Who is it for?

A good fit for

  • Owners replacing an A2018-S150 valve in a listed, compatible 24V Aprilaire humidifier.
  • Buyers seeking a valve listing specific electrical, MOPD and orifice figures for compatibility checks.

Less suited to

  • 12V humidifier systems.
  • Buyers whose humidifier model or existing valve voltage does not match the listed compatibility information.
SHANOER 4040 24V Humidifier Solenoid Valve, 2.3W · photo 2
Additional product photo 2

Frequently asked questions

Which humidifiers is this valve listed to fit?

The listing names Aprilaire 400, 400M, 500, 500M, 600, 600M, 558, 550A, 550, 568, 560A, 560, 700, 777, 760A and 760. It also names 350 and 360 models only when they use a 24V solenoid.

Can I use it with a 12V humidifier?

No. The listing states that this valve works with 24V humidifiers, not 12V models.

What electrical and valve figures are provided?

The listing specifies 24V, 2.3W, 60Hz, 125 MOPD and a 3/64 orifice.

What installation parts are described?

The feature text says it comes with two brass installation fittings and compression nuts. It mentions a screwdriver and wrench as needed tools.

SHANOER 4040 24V Humidifier Solenoid Valve, 2.3W · photo 3
Additional product photo 3

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