L404V1087 | Honeywell Oil Pressuretrol Limit Controller 10–150 psi Stainless-Steel Diaphragm
Honeywell · PLCs & Industrial Controllers
Description The Honeywell L404V1087 is an oil pressuretrol limit controller designed to regulate and monitor oil pressure in burner systems and fuel oil applications. With an adjustable 10–150 psi operating range and a stainless-steel diaphragm sensor, it ensures reliable, accurate control and safety shutoff in demanding industrial environments. Technical Specifications Condition New/Never Used Surplus Brand Honeywell Category Controls & Indicators Part Number L404V1087 Subcategory Pressure Control Control Function Oil Pressure Limit Control Operating Pressure Range 10–150 psi Differential Range 10–22 psi (adjustable) Mounting Type ¼"–18 NPT internal pipe thread or surface mount Sensor Element Stainless-steel diaphragm Electrical Connections Screw terminals Switch Type Snap-acting SPDT switch Circuit Action Makes circuit on pressure rise Cover Type Clear plastic viewing window Temperature Range –35 °F to +150 °F (–37 °C to +66 °C) Electrical Rating 120–240 VAC, typical for burner controls Enclosure Metal base with clear plastic cover Application Fuel oil and heavy oil burner systems Differential Type Subtractive Compliance UL Listed / CSA Certified Weight 2.00 lbs Information About L404V1087 The L404V1087 belongs to Honeywell’s L404 Pressuretrol series, built for high-precision control in oil-fired systems using light or heavy fuel oils. This model operates as a low-pressure limit control, making a circuit when oil pressure rises above the setpoint. It features a durable housing with a transparent plastic cover that allows easy viewing of settings and scale markings. Pressure adjustments are made by top-mounted screws, while the unit can be mounted using a ¼" NPT internal pipe thread or directly through the case base for surface installations. Its stainless-steel diaphragm provides excellent resistance to fuel oils, ensuring dependable long-term performance under varying operating pressures. Key Features: Adjustable Pressure Range: Operates from 10 to 150 psi with a differential adjustable between 10 and 22 psi. Snap-Acting Switch Mechanism: Opens or closes an electrical circuit on pressure rise for precise, reliable control. Transparent Cover: Clear plastic housing allows direct observation of internal settings and scale. Low-Pressure Limit Operation: Makes circuit connection when oil pressure rises above the defined setpoint. Versatile Mounting: Supports ¼"–18 NPT internal thread or surface mount through base of case. Stainless-Steel Diaphragm: Corrosion-resistant element ensures accuracy and durability with fuel oils. Ground Screw Terminal: Provides reliable grounding for electrical safety compliance. Wide Temperature Range: Operates from –35 °F to +150 °F (–37 °C to +66 °C) for harsh environments. Simple Field Adjustment: Easily accessible top-mounted adjustment screws simplify calibration and maintenance. The L404V1087 delivers dependable performance and precise oil pressure control for heavy-duty burner and fuel oil systems.
Brand: Honeywell · Category: PLCs & Industrial Controllers
Key features
- Adjustable Pressure Range: Operates from 10 to 150 psi with a differential adjustable between 10 and 22 psi.
- Snap-Acting Switch Mechanism: Opens or closes an electrical circuit on pressure rise for precise, reliable control.
- Transparent Cover: Clear plastic housing allows direct observation of internal settings and scale.
- Low-Pressure Limit Operation: Makes circuit connection when oil pressure rises above the defined setpoint.
- Versatile Mounting: Supports ¼"–18 NPT internal thread or surface mount through base of case.
- Stainless-Steel Diaphragm: Corrosion-resistant element ensures accuracy and durability with fuel oils.
- Ground Screw Terminal: Provides reliable grounding for electrical safety compliance.
- Wide Temperature Range: Operates from –35 °F to +150 °F (–37 °C to +66 °C) for harsh environments.
- Simple Field Adjustment: Easily accessible top-mounted adjustment screws simplify calibration and maintenance.
Specifications
| Manufacturer part number | L404V1087 |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Honeywell |
| Category | Controls & Indicators |
| Part Number | L404V1087 |
| Subcategory | Pressure Control |
| Control Function | Oil Pressure Limit Control |
| Operating Pressure Range | 10–150 psi |
| Differential Range | 10–22 psi (adjustable) |
| Mounting Type | ¼"–18 NPT internal pipe thread or surface mount |
| Sensor Element | Stainless-steel diaphragm |
| Electrical Connections | Screw terminals |
| Switch Type | Snap-acting SPDT switch |
| Circuit Action | Makes circuit on pressure rise |
| Cover Type | Clear plastic viewing window |
| Temperature Range | –35 °F to +150 °F (–37 °C to +66 °C) |
| Electrical Rating | 120–240 VAC, typical for burner controls |
| Enclosure | Metal base with clear plastic cover |
| Application | Fuel oil and heavy oil burner systems |
| Differential Type | Subtractive |
| Compliance | UL Listed / CSA Certified |
| Weight | 2.00 lbs |
| Product type | Pressure Control |
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