VIAIR 90111 Pressure Switch with Relay, 12V vs Viair 90113 pressure switch with relay, 1/8 in. NPT (M)

Key Differences

Product A (B000FQ7WKK) has a moisture-sealed design, pre-fitted insulated terminals, and a clear on/off pressure range, making it better for applications needing a compact, sealed switch. Product B (B000FQ793A) includes an integrated relay geared for longer loads and is noted for easy installation and value, but some users report leakage and limited durability

VIAIR 90111 Pressure Switch with Relay, 12V

VIAIR 90111 Pressure Switch with Relay, 12V

VIAIR • ★ 3.8/5 • Budget

Pressure switch for 12V air compressors with built-in relay; turns on at 110 PSI and off at 145 PSI. Customer notes easy installation and good value, with some leakage concerns

Pros

  • integrated relay for longer loads
  • easy installation
  • good value for money
  • compact fit (customer insight)

Cons

  • leakage issues reported
  • some users report limited durability (~1 year)
  • size could be more compact
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Viair 90113 pressure switch with relay, 1/8 in. NPT (M)

Viair 90113 pressure switch with relay, 1/8 in. NPT (M)

VIAIR • ★ 3.8/5 • Budget

Pressure switch with relay for 12-volt systems. 90 PSI on / 120 PSI off, 40 amp rating, moisture-sealed with pre-fitted insulated terminals. Customer notes easy installation and reliable function

Pros

  • moisture-sealed design
  • pre-fitted insulated terminals
  • clear on/off pressure range
  • durable for many cycles

Cons

  • lasts only one season
  • size could be more compact
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Head-to-Head

CriteriaWinner
Price VIAIR
Durability Tie
Versatility VIAIR
User Reviews Tie