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Spa & Hot Tub Heater Pressure Switches

A pressure switch is a safety device that maintains adequate water pressure in the heater manifold and prevents your spa from damage. Hot Tub Works carries heater pressure switches in various sizes to keep your heater working properly and your spa safe from damage.

Description
Our Price
Pressure Switch. Tecmark. SPST. 22amp. 3/8 inch Plastic Thread OD. 1-5 psi adjustable. 4037p
Spa Pressure Switch. Tecmark. SPST. 22amp. 3/8 inch Plastic Thread OD. 1-5 psi adjustable. 4037p
$26.99
$21.59
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Pressure Switch, JPC International, 1 to 25amp, SPDT, 1/8 inch Hole, 1/4 inch Plastic Thread, 2 psi
Spa Pressure Switch, JPC International, 1 to 25amp, SPDT, 1/8 inch Hole, 1/4 inch Plastic Thread, 2 psi
$14.99
$11.99
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Pressure Switch, Tecmark/Tridelta, SPST, 25amp, 1/8 inch Hole, 3/8 inch Stainless Steel Thread, 1-5 psi adjustable, # 3010
Spa Pressure Switch, Tecmark/Tridelta, SPST, 25amp, 1/8 inch Hole, 3/8 inch Stainless Steel Thread, 1-5 psi adjustable, # 3010
$39.99
$31.99
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Pressure Switch, Tecmark/Tridelta, SPST, 25amp, 1/8 inch Hole, 3/8 inch Plastic Thread, 1-5 psi adjustable, # 3010p
Spa Pressure Switch, Tecmark/Tridelta, SPST, 25amp, 1/8 inch Hole, 3/8 inch Plastic Thread, 1-5 psi adjustable, # 3010p
$32.99
$26.39
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Pressure Switch, Tecmark/Tridelta, SPDT, 25amp, 1/8 inch Hole, 3/8 inch Stainless Steel Thread, 1-5 psi adjustable, # 3015
Hot Tub Pressure Switch, Tecmark/Tridelta, SPDT, 25amp, 1/8 inch Hole, 3/8 inch Stainless Steel Thread, 1-5 psi adjustable, # 3015
$39.99
$31.99
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Pressure Switch, Tecmark/Tridelta, SPST, 25amp, 1/8 inch Hole, 1/8 inch to 3/16 inch Stainless Steel Barb, 1-5 psi adjustable, Normally Open, # 3028
Hot Tub Pressure Switch, Tecmark/Tridelta, SPST, 25amp, 1/8 inch Hole, 1/8 inch to 3/16 inch Stainless Steel Barb, 1-5 psi adjustable, Normally Open, # 3028
$46.99
$37.59
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Pressure Switch, Tecmark/Tridelta, SPST, 25amp, 1/8 inch Hole, 3/8 inch Stainless Steel Thread, 1-5 psi adjustable, Normally Open, # 3029
Spa Pressure Switch, Tecmark/Tridelta, SPST, 25amp, 1/8 inch Hole, 3/8 inch Stainless Steel Thread, 1-5 psi adjustable, Normally Open, # 3029
$69.14
$55.31
Quantity:

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Pressure Switch, Tecmark/Tridelta, SPST, 25amp, 1/8 inch Hole, 3/8 inch Plastic Thread, 1-5 psi adjustable, Normally Open, # 3029p
Hot Tub Pressure Switch, Tecmark/Tridelta, SPST, 25amp, 1/8 inch Hole, 3/8 inch Plastic Thread, 1-5 psi adjustable, Normally Open, # 3029p
$32.99
$26.39
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Pressure Switch, Tecmark/Tridelta, SPNO Pilot Duty, 1amp, 1/8 inch Hole, 1/4 inch Compression Fitting, 1-5 psi adjustable, # 3032
Hot Tub Pressure Switch, Tecmark/Tridelta, SPNO Pilot Duty, 1amp, 1/8 inch Hole, 1/4 inch Compression Fitting, 1-5 psi adjustable, # 3032
$39.99
$31.99
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Pressure Switch, Tecmark/Tridelta, SPDT, 25amp, 1/8 inch Hole, 1/8 inch to 3/16 inch Stainless Steel Barb, 1-5 psi adjustable, # 3036
Spa Pressure Switch, Tecmark/Tridelta, SPDT, 25amp, 1/8 inch Hole, 1/8 inch to 3/16 inch Stainless Steel Barb, 1-5 psi adjustable, # 3036
$46.99
$37.59
Quantity:

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Pressure Switch, Tecmark/Tridelta, SPST Pilot Duty, 1amp, 1/8 inch Hole, 3/8 inch Plastic Thread, 1-5 psi adjustable, # 3037p
Hot Tub Pressure Switch, Tecmark/Tridelta, SPST Pilot Duty, 1amp, 1/8 inch Hole, 3/8 inch Plastic Thread, 1-5 psi adjustable, # 3037p
$32.99
$26.39
Quantity:

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Pressure Switch, Tecmark/Tridelta, SPNO Pilot Duty, 1amp, 1/8 inch Hole, 3/16 inch Compression Fitting, 1-5 psi adjustable, # 3032
Spa Pressure Switch, Tecmark/Tridelta, SPNO Pilot Duty, 1amp, 1/8 inch Hole, 3/16 inch Compression Fitting, 1-5 psi adjustable, # 3032
$46.99
$37.59
Quantity:

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Pressure Switch, Balboa/Barksdale/Tecmark/Tridelta, SPST, 3amp, 1/8 inch Hole, 3/8 inch Stainless Steel Thread, 2 psi, # 30408
Spa Pressure Switch, Balboa/Barksdale/Tecmark/Tridelta, SPST, 3amp, 1/8 inch Hole, 3/8 inch Stainless Steel Thread, 2 psi, # 30408
$79.99
$63.99
Quantity:

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Pressure Switch, SPNO, 25A, Pressure Switch, Tecmark/Tridelta, SPNO, 25amp, 1/8 inch Hole, 1/8 inch to 3/16 inch Plastic Barb, 1-5 psi adjustable, # 3044p
Hot Tub Pressure Switch, SPNO, 25A, Pressure Switch, Tecmark/Tridelta, SPNO, 25amp, 1/8 inch Hole, 1/8 inch to 3/16 inch Plastic Barb, 1-5 psi adjustable, # 3044p
$26.99
$21.59
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Pressure Switch, Tecmark/Tridelta, SPNO, 25amp, 1/8 inch Hole, 1/8 inch to 3/16 inch Metal Barb, 1-5 psi adjustable, w/ Z-shaped mounting bracket, # 3046
Spa Pressure Switch, Tecmark/Tridelta, SPNO, 25amp, 1/8 inch Hole, 1/8 inch to 3/16 inch Metal Barb, 1-5 psi adjustable, w/ Z-shaped mounting bracket, # 3046
$42.99
$34.39
Quantity:

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Pressure Switch, Tecmark/Tridelta, DPNO, 25amp, 1/8 inch Hole, 3/8 inch Metal Thread, 1-1/2-6 psi adjustable, # 3062
Spa Pressure Switch, Tecmark/Tridelta, DPNO, 25amp, 1/8 inch Hole, 3/8 inch Metal Thread, 1-1/2-6 psi adjustable, # 3062
$49.99
$39.99
Quantity:

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Pressure Switch, Tecmark/Tridelta, SPNO, 25amp, 1/8 inch Hole, 3/16 inch Compression Fitting, 1-5 psi adjustable, w/ Z-shaped mounting bracket, # 3064
Spa Pressure Switch, Tecmark/Tridelta, SPNO, 25amp, 1/8 inch Hole, 3/16 inch Compression Fitting, 1-5 psi adjustable, w/ Z-shaped mounting bracket, # 3064
$42.99
$34.39
Quantity:

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Pressure Switch, Tecmark/Tridelta, SPDT, 25amp, 1/8 inch Hole, 3/8 inch Metal Thread, 2-22 psi adjustable, # 3076
Spa Pressure Switch, Tecmark/Tridelta, SPDT, 25amp, 1/8 inch Hole, 3/8 inch Metal Thread, 2-22 psi adjustable, # 3076
$42.99
$34.39
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Pressure Switch, Tecmark/Tridelta, SPST Pilot Duty, 1amp, 1/8 inch Hole, 3/8 inch Plastic Thread w/ 1/4 inch extension, 1-5 psi adjustable, # 3098p
Spa Pressure Switch, Tecmark/Tridelta, SPST Pilot Duty, 1amp, 1/8 inch Hole, 3/8 inch Plastic Thread w/ 1/4 inch extension, 1-5 psi adjustable, # 3098p
$32.99
$26.39
Quantity:

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Pressure Switch, Tecmark/Tridelta, SPST Pilot Duty, 1amp, 1/8 inch Hole, 3/8 inch Plastic Thread , 1-5 psi adjustable, # 3902
Spa Pressure Switch, Tecmark/Tridelta, SPST Pilot Duty, 1amp, 1/8 inch Hole, 3/8 inch Plastic Thread , 1-5 psi adjustable, # 3902
$32.99
$26.39
Quantity:

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Pressure Switch, Tecmark/Tridelta, SPST Universal Pilot, 1amp, 1/8 inch Hole, 3/8 inch Plastic Thread , 1-5 psi adjustable, # 3903
Spa Pressure Switch, Tecmark/Tridelta, SPST Universal Pilot, 1amp, 1/8 inch Hole, 3/8 inch Plastic Thread , 1-5 psi adjustable, # 3903
$28.99
$23.19
Quantity:

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Pressure Switch, Tecmark/Tridelta, SPST, 1amp, 1/8 inch Hole, 1/8 inch to 3/16 inch Plastic Barb , 1-5 psi adjustable, # 3906
Spa Pressure Switch, Tecmark/Tridelta, SPST, 1amp, 1/8 inch Hole, 1/8 inch to 3/16 inch Plastic Barb , 1-5 psi adjustable, # 3906
$32.99
$26.39
Quantity:

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Pressure Switch, Alladin, SPST, 25amp, 1/8 inch Hole, 3/8 inch Plastic Thread, 1-5 psi adjustable, w/ brass adapter fittings, # 3925-1-5
Spa Pressure Switch, Alladin, SPST, 25amp, 1/8 inch Hole, 3/8 inch Plastic Thread, 1-5 psi adjustable, w/ brass adapter fittings, # 3925-1-5
$46.99
$37.59
Quantity:

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Pressure Switch, 3 Amp, HGA
Hot Tub Pressure Switch, 3 Amp, HGA
$44.99
$35.99
Quantity:

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Pressure Switch, Len Gordon, SPDT, 21amp, 1/8 inch Hole, 3/8 inch Plastic Thread, 1-5 psi adjustable, # 800120-0
Spa Pressure Switch, Len Gordon, SPDT, 21amp, 1/8 inch Hole, 3/8 inch Plastic Thread, 1-5 psi adjustable, # 800120-0
$49.99
$39.99
Quantity:

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Pressure Switch, Len Gordon, SPDT, 25amp, 1/8 inch Hole, 3/8 inch Plastic Thread, 1-5 psi adjustable, # 800120-3
Hot Tub Pressure Switch, Len Gordon, SPDT, 25amp, 1/8 inch Hole, 3/8 inch Plastic Thread, 1-5 psi adjustable, # 800120-3
$26.99
$21.59
Quantity:

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Pressure Switch, Len Gordon, SPDT, 1 to 25amp, 1/8 inch to 3/16 inch Plastic Barb, 1-5 psi adjustable, # 800125-3
Hot Tub Pressure Switch, Len Gordon, SPDT, 1 to 25amp, 1/8 inch to 3/16 inch Plastic Barb, 1-5 psi adjustable, # 800125-3
$34.99
$27.99
Quantity:

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Pressure Switch, Len Gordon, SPST, Gas Millivolt, 1/8 inch Hole, 3/8 inch Plastic Thread, 1-5 psi adjustable, # 800140-3
Hot Tub Pressure Switch, Len Gordon, SPST, Gas Millivolt, 1/8 inch Hole, 3/8 inch Plastic Thread, 1-5 psi adjustable, # 800140-3
$34.99
$27.99
Quantity:

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Pressure Switch, PresAirTrol, SPDT, 21amp, 1/8 inch Hole, 3/8 inch Plastic Thread, 1-5 psi adjustable, # PM11120E
Hot Tub Pressure Switch, PresAirTrol, SPDT, 21amp, 1/8 inch Hole, 3/8 inch Plastic Thread, 1-5 psi adjustable, # PM11120E
$39.99
$31.99
Quantity:

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Pressure Switch, PresAirTrol, DPDT, 21amp, 1/8 inch Hole, 3/8 inch Plastic Thread, 1-5 psi adjustable, Panel Mount, # PM21120E
Hot Tub Pressure Switch, PresAirTrol, DPDT, 21amp, 1/8 inch Hole, 3/8 inch Plastic Thread, 1-5 psi adjustable, Panel Mount, # PM21120E
$46.99
$37.59
Quantity:

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Pressure Switch, PresAirTrol, SPDT, 21amp, 1/8 inch Side, Slip Barb Connection, 1-5 psi adjustable, # PR1120A
Hot Tub Pressure Switch, PresAirTrol, SPDT, 21amp, 1/8 inch Side, Slip Barb Connection, 1-5 psi adjustable, # PR1120A
$19.99
$15.99
Quantity:

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Pressure Switch, PresAirTrol, SPDT, 21amp, 1/8 inch Slip Barb Connection, 1-5 psi adjustable, Panel Mount, # PT11120A
Spa Pressure Switch, PresAirTrol, SPDT, 21amp, 1/8 inch Slip Barb Connection, 1-5 psi adjustable, Panel Mount, # PT11120A
$39.99
$31.99
Quantity:

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Pressure Switch, PresAirTrol, Tinytrol, SPDT, 21amp, 1/8in Hole, 3/8in Plastic Thread, 2 psi, NO Panel Mount, TNP11E2PR
Spa Pressure Switch, PresAirTrol, Tinytrol, SPDT, 21amp, 1/8in Hole, 3/8in Plastic Thread, 2 psi, NO Panel Mount, TNP11E2PR
$36.99
$29.59
Quantity:

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Pressure Switch, PresAirTrol, Tinytrol, SPST, 21amp, 1/8 inch Hole, 3/8 inch Plastic Thread, 1.4 psi
Spa Pressure Switch, PresAirTrol, Tinytrol, SPST, 21amp, 1/8 inch Hole, 3/8 inch Plastic Thread, 1.4 psi
$42.99
$34.39
Quantity:

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Pressure Switch, PresAirTrol, Tinytrol, SPST, 21amp, 1/8 inch Hole, 3/8 inch Plastic Thread, 1.8 psi
Spa Pressure Switch, PresAirTrol, Tinytrol, SPST, 21amp, 1/8 inch Hole, 3/8 inch Plastic Thread, 1.8 psi
$42.99
$34.39
Quantity:

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Jumper, Hot Spring Circuit Board
Spa Jumper, Hot Spring Circuit Board
$11.99
$9.59
Quantity:

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