ASCO

Shop ASCO for gas shut-off valves, gas solenoid valves, Hydramotor actuators, and pilot generators used in gas-fired equipment and combustion systems. These products are built for dependable shutoff, reliable actuation, and consistent pilot-generated millivolt output in commercial and industrial applications.

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Showing 1–48 of 53 resultsSorted by popularity

1″ Normally Open Gas Vent Valve

ASCO

SKU: S262SH02N3FJ5
$588.18
MSRP: $676.41
You save 15%
ASCO S262SH02N3FJ5 1" Normally Open Gas Vent Valve quantity
1″ Normally Closed Gas Solenoid Valve, 24V, 1/2 PSI Max

ASCO

SKU: K3A461V
$286.21
MSRP: $329.14
You save 15%
ASCO K3A461V 1" Normally Closed Gas Solenoid Valve, 24V, 1/2 PSI Max quantity
3″ Valve Body for H117 Actuator with Position Indicator

ASCO

SKU: V762LCAV16
$14,186.45
MSRP: $16,314.42
You save 15%
ASCO V762LCAV16 3" Valve Body for H117 Actuator with Position Indicator quantity
120V Actuator with Proof of Closure Switch, 6–14 Second Stroke

ASCO

SKU: AH2E112S
$5,971.60
MSRP: $6,867.34
You save 15%
ASCO AH2E112S 120V Actuator with Proof of Closure Switch, 6–14 Second Stroke quantity
3/8″ Normally Closed Gas Solenoid Valve, 120V, 1/2 PSI Max

ASCO

SKU: K3A432V
$198.21
MSRP: $227.94
You save 15%
ASCO K3A432V 3/8" Normally Closed Gas Solenoid Valve, 120V, 1/2 PSI Max quantity
1/2″ Normally Closed Gas Solenoid Valve, 12–24V, 1/2 PSI Max

ASCO

SKU: K3A441V
$252.86
MSRP: $290.79
You save 15%
ASCO K3A441V 1/2" Normally Closed Gas Solenoid Valve, 12–24V, 1/2 PSI Max quantity
3/4″ Aluminum Fuel Gas Solenoid Valve, 2-Way Normally Closed, 120/60V AC

ASCO

SKU: K3A652V
$495.55
MSRP: $569.88
You save 15%
ASCO K3A652V 3/4" Aluminum Fuel Gas Solenoid Valve, 2-Way Normally Closed, 120/60V AC quantity
1″ Normally Closed Gas Shutoff Solenoid Valve, 120V, 0–25 PSI

ASCO

SKU: S261SH02N3FJ5
$836.40
MSRP: $961.86
You save 15%
ASCO S261SH02N3FJ5 1" Normally Closed Gas Shutoff Solenoid Valve, 120V, 0–25 PSI quantity
2-1/2″ Normally Closed Gas Shutoff Solenoid Valve, 120V

ASCO

SKU: S261SH02N3KK4
$1,907.15
MSRP: $2,193.22
You save 15%
ASCO S261SH02N3KK4 2-1/2" Normally Closed Gas Shutoff Solenoid Valve, 120V quantity
Gas Shutoff Solenoid Valve, Normally Closed

ASCO

SKU: S261SH02N3LK4
$2,433.26
MSRP: $2,798.25
You save 15%
ASCO S261SH02N3LK4 Gas Shutoff Solenoid Valve, Normally Closed quantity
120V Hi-Lo-Off Actuator with Auxiliary Switch and Shaft Arm

ASCO

SKU: AH4E112A5
$5,925.95
MSRP: $6,814.84
You save 15%
ASCO AH4E112A5 120V Hi-Lo-Off Actuator with Auxiliary Switch and Shaft Arm quantity
120V Hi-Lo Actuator with Proof of Closure Switch

ASCO

SKU: AH4E112S4
$7,879.95
MSRP: $9,061.94
You save 15%
ASCO AH4E112S4 120V Hi-Lo Actuator with Proof of Closure Switch quantity
3/4″ Normally Open Vent Valve, 120V, 0–30 PSI

ASCO

SKU: S262SH02N3EG5
$573.35
MSRP: $659.35
You save 15%
ASCO S262SH02N3EG5 3/4" Normally Open Vent Valve, 120V, 0–30 PSI quantity
120V Motorized Actuator with Auxiliary Switch

ASCO

SKU: H30A2220B20F1
$15,003.03
MSRP: $17,253.48
You save 15%
ASCO H30A2220B20F1 120V Motorized Actuator with Auxiliary Switch quantity
Hydramotor Actuator, 120V, Two-Position Spring Return

ASCO

SKU: H10B620B5F1F26
$9,989.99
MSRP: $11,488.49
You save 15%
ASCO H10B620B5F1F26 Hydramotor Actuator, 120V, Two-Position Spring Return quantity
2-Way Normally Open Vent Valve, 120V

ASCO

SKU: S262SH02N3JK4
$1,042.04
MSRP: $1,198.35
You save 15%
ASCO S262SH02N3JK4 2-Way Normally Open Vent Valve, 120V quantity
3/2 Normally Closed Solenoid Valve, Aluminum Body

ASCO

SKU: 8158A220X1X0000
$866.98
MSRP: $997.03
You save 15%
ASCO 8158A220X1X0000 3/2 Normally Closed Solenoid Valve, Aluminum Body quantity
Watertight Fast-Opening Motorized Actuator

ASCO

SKU: P159A111X1X13F0
$931.51
MSRP: $1,071.24
You save 15%
ASCO P159A111X1X13F0 Watertight Fast-Opening Motorized Actuator quantity
Pilot Gas Solenoid Valve, 3/8″, Normally Closed, 120V, 0–15 PSI

ASCO

SKU: SV311A04N6CF5
$209.38
MSRP: $240.79
You save 15%
ASCO SV311A04N6CF5 Pilot Gas Solenoid Valve, 3/8", Normally Closed, 120V, 0–15 PSI quantity
1/4″ Normally Closed Pilot Gas Solenoid Valve, 240V, 0–15 PSI

ASCO

SKU: SV311A04N6BF5
$645.99
MSRP: $742.89
You save 15%
ASCO SV311A04N6BF5 1/4" Normally Closed Pilot Gas Solenoid Valve, 240V, 0–15 PSI quantity
3/8″ Normally Closed Pilot Gas Solenoid Valve, 208V, 0–15 PSI

ASCO

SKU: SV311A03N6CF5
$495.99
MSRP: $570.39
You save 15%
ASCO SV311A03N6CF5 3/8" Normally Closed Pilot Gas Solenoid Valve, 208V, 0–15 PSI quantity
Motorized Actuator (Series 159)

ASCO

SKU: P159A121X1X13F0
$648.18
MSRP: $745.41
You save 15%
ASCO P159A121X1X13F0 Motorized Actuator (Series 159) quantity
1-1/4″ Pilot-Operated Gas Vent Valve

ASCO

SKU: S262SH02N3GJ7
$755.83
MSRP: $869.20
You save 15%
ASCO S262SH02N3GJ7 1-1/4" Pilot-Operated Gas Vent Valve quantity
1/4″ 120V Fuel Oil Solenoid Shut-Off Valve

ASCO

SKU: SV401A02V9BF7
$2,038.68
MSRP: $2,344.48
You save 15%
ASCO SV401A02V9BF5 1/4" 120V Fuel Oil Solenoid Shut-Off Valve quantity
750 mV Pilot Generator / Thermopile

ASCO

SKU: 101934F32
$56.24
MSRP: $64.68
You save 15%
ASCO 101934F32 750 mV Pilot Generator / Thermopile quantity
3/8″ 120 V Solenoid Gas Shut-Off Valve

ASCO

SKU: SV311A02N6CF5
$678.91
MSRP: $780.75
You save 15%
ASCO SV311A02N6CF5 3/8" 120 V Solenoid Gas Shut-Off Valve quantity
1/4″ 120 V Solenoid Gas Shut‑Off Valve

ASCO

SKU: SV311A02N6BF5
$678.94
MSRP: $780.78
You save 15%
ASCO SV311A02N6BF5 1/4" 120 V Solenoid Gas Shut‑Off Valve quantity
3/8″ 24 V Solenoid Gas Valve

ASCO

SKU: SV311A01N6CF5
$678.94
MSRP: $780.78
You save 15%
ASCO SV311A01N6CF5 3/8" 24 V Solenoid Gas Valve quantity
Hydramotor Actuator

ASCO

SKU: AH4E112A4
$7,281.30
MSRP: $8,373.50
You save 15%
ASCO AH4E112A4 Hydramotor Actuator quantity
2″ Normally Closed Pilot‑Operated Gas Valve

ASCO

SKU: S261SH02N3JK4
$1,348.62
MSRP: $1,550.91
You save 15%
ASCO S261SH02N3JK4 2" Normally Closed Pilot‑Operated Gas Valve quantity
Gas Shut‑Off Valve 1 1/2″

ASCO

SKU: S261SH02N3HJ7
$934.31
MSRP: $1,074.46
You save 13%
ASCO S261SH02N3HJ7 Gas Shut‑Off Valve 1 1/2" quantity
1/4″ 24 V Solenoid Gas Valve

ASCO

SKU: SV311A01N6BF5
$750.41
MSRP: $862.97
You save 15%
ASCO SV311A01N6BF5 1/4" 24 V Solenoid Gas Valve quantity
Pilot‑Operated Gas Shut‑Off Valve

ASCO

SKU: S261SH02N3GJ7
$940.15
MSRP: $1,081.17
You save 15%
ASCO S261SH02N3GJ7 Pilot‑Operated Gas Shut‑Off Valve quantity
1‑1/2″ 120 V Normally Closed Gas Solenoid Valve

ASCO

SKU: K3A782V
$425.15
MSRP: $488.92
You save 15%
ASCO K3A782V 1‑1/2" 120 V Normally Closed Gas Solenoid Valve quantity
1‑1/4″ 120 V Normally Closed Gas Shut‑Off Valve

ASCO

SKU: K3A772V
$354.75
MSRP: $407.96
You save 15%
ASCO K3A772V 1‑1/4" 120 V Normally Closed Gas Shut‑Off Valve quantity
1‑1/2″ 120 V Normally Closed Gas Solenoid Valve

ASCO

SKU: K3A682V
$644.68
MSRP: $741.38
You save 15%
ASCO K3A682V 1‑1/2" 120 V Normally Closed Gas Solenoid Valve quantity
1‑1/4″ 120 V Normally Closed Gas Solenoid Valve

ASCO

SKU: K3A672V
$579.84
MSRP: $666.82
You save 15%
ASCO K3A672V 1‑1/4" 120 V Normally Closed Gas Solenoid Valve quantity
1″ 120 V Normally Closed Gas Shut‑Off Valve

ASCO

SKU: K3A662V
$541.86
MSRP: $623.14
You save 15%
ASCO K3A662V 1″ 120 V Normally Closed Gas Shut‑Off Valve quantity
1″ 120 V Normally Closed Gas Solenoid Valve

ASCO

SKU: K3A562V
$414.04
MSRP: $476.15
You save 15%
ASCO K3A562V 1" 120 V Normally Closed Gas Solenoid Valve quantity
3/4″ 120 V Normally Closed Gas Solenoid Valve

ASCO

SKU: K3A552V
$255.65
MSRP: $294.00
You save 15%
ASCO K3A552V 3/4" 120 V Normally Closed Gas Solenoid Valve quantity
1/2″ 120 V Normally Closed Gas Solenoid Valve

ASCO

SKU: K3A542V
$266.18
MSRP: $306.11
You save 15%
ASCO K3A542V 1/2" 120 V Normally Closed Gas Solenoid Valve quantity
750 mV Pilot Generator

ASCO

SKU: PG9A27JTL022
$72.24
MSRP: $83.08
You save 15%
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1″ 120 V Normally Closed Gas Solenoid Valve

ASCO

SKU: K3A462V
$285.29
MSRP: $328.08
You save 15%
ASCO K3A462V 1″ 120 V Normally Closed Gas Solenoid Valve quantity
3/4″ 120 V Normally Closed Gas Solenoid Valve

ASCO

SKU: K3A452V
$254.40
MSRP: $292.56
You save 15%
ASCO K3A452V 3/4" 120 V Normally Closed Gas Solenoid Valve quantity
Hydramotor Gas Shut‑Off Valve

ASCO

SKU: H118AN132F1F26V16
$24,083.34
MSRP: $27,695.84
You save 15%
ASCO H118AN132F1F26V16 Hydramotor Gas Shut‑Off Valve quantity
3/4″ 24 V Normally Closed Gas Shut‑Off Valve

ASCO

SKU: K3A451V
$262.13
MSRP: $301.45
You save 15%
ASCO K3A451V 3/4″ 24 V Normally Closed Gas Shut‑Off Valve quantity
Solenoid Gas Shut-Off Valve 1/2″

ASCO

SKU: K3A442V
$239.90
MSRP: $275.89
You save 15%
ASCO K3A442V Solenoid Gas Shut-Off Valve 1/2" quantity
120 V Electrohydraulic Hydramotor Actuator

ASCO

SKU: AH2E112S4
$3,064.96
MSRP: $3,524.70
You save 15%
Read more

More About ASCO at Jackson Systems & Supply

You’ll also find ASCO products for larger burner and fuel-train applications where fast closing action, durable actuator design, and dependable valve operation matter. Jackson Systems carries normally closed gas shut-off and solenoid valves in multiple sizes and voltages, plus Hydramotor actuator options including watertight models, auxiliary switch configurations, and electrohydraulic designs. Pilot generators round out the lineup for millivolt-powered gas-fired heating equipment.

Why Choose ASCO?

Fast shutoff response

ASCO Hydramotor gas valve and actuator designs are built for quick spring-return closing, helping improve burner safety during power interruption or control shutdown.

Built for demanding combustion service

ASCO gas valves and Hydramotor assemblies are designed for commercial and industrial burners, with rugged construction and configurations suited for high-flow fuel shutoff duties.

Reliable control components for gas-fired equipment

From pilot generators that produce millivolt output to shut-off valves and actuators that control fuel flow, ASCO products are made to support dependable operation in heating equipment.

About ASCO

ASCO is a well-known Emerson brand focused on fluid automation and control solutions. They are recognized for products that help improve operating reliability, application performance, and safety across demanding process and combustion systems.