# Pressure Switch,Open at 170

**Manufacturer:** Johnson Controls  
**MPN:** `P100AP-4C`

The Johnson Controls P100AP-4C Pressure Switch is a compact, lightweight device designed for direct mounting. It features a trip-free manual reset, preventing contacts from being overridden by continued depression of the reset button. Suitable for use with all non-corrosive refrigerants, this switch is encapsulated and dust tight, with electrical connections made to 48-inch leads. It opens at 170, providing reliable pressure monitoring in various applications.

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Johnson Controls |
| Manufacturer name | Johnson Controls |
| Manufacturer | Johnson Controls |
| CategoryL1 | Heating & Cooling |
| CategoryL2 | AC & Refrigeration Components |
| CategoryL3 | Single Pressure Controls |
| DimensionUnit | inch |
| GraingerSku | 40G319 |
| Extra Product Name | Pressure Switch,Open at 170 |
| UPC | None |
| UnitOfMeasure | EA |
| Weight | 0.2 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | MX |
| height | 1.3 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 5.4 |
| moq | 1 |
| MPN | P100AP-4C |
| multiple | 1 |
| qtyInStock | 103 |
| qtyInStockOverride | -2 |
| SKU | G5036631 |
| tierMinQty1 | 1 |
| tierPrice1 | 36.29 |
| url | https://www.zoro.com/johnson-controls-pressure-switch-open-at-170-p100ap-4c/i/G5036631/ |
| width | 4.2 |
| Item | Pressure Switch |
| Switch Type | SPST |
| Switch Action | Opens on Low Pressure |
| Pressure Connection | 1/4 in Female SAE |
| Type | Low Pressure |
| Close (PSI) | 250 |
| Open (PSI) | 170 |
| Function | Fan Cycling Control |
| Mounting | Direct |
| Reset | Auto |
| Application | A/C Refrigeration |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G5036631 | 36.29 | 1 | 103 | 1 |
| Grainger | 40G319 | 38.1 | 1 | 66 | 1 |
| Radwell | P100AP-4C | 22.0 | 1 | 2 | 1 |
| SupplyHouse | P100AP-4C |  |  | None | 1 |
| Raptor Supplies | AD3MQR | 60.9961365 | 1 | None | 1 |
| Zoro | G7023643 | 33.55 | 1 | 1 | 1 |
| AmazonSC | B008FM6RFC |  |  | None | 1 |
| Voomi Supply | P100AP-4C | 38.21 | 1 | None | 1 |
| National Supply Network | B476407 | 52.17 | 1 | None | 1 |
| sustainablesupply.com | C1136565 | 35.21 | 1 | None | 1 |
| sustainablesupply.com | C2085544 | 33.52 | 1 | None | 1 |
| grainger.ca | WWG40G319 | 46.58222908 | 1 | None | 1 |
| cappusa.com | 218406 |  |  | None | 1 |
| simsupply.com | ZO-G5036631 | 43.6 | 1 | 22 | 1 |
| bakerdist.com | JOHP100AP4C |  |  | None | 1 |
| hvacdiscountstore.com | JOH--P100AP-4C | 27.55 | 1 | None | 1 |
| waterpumpsnow.com | P100AP-4C | 86.9 | 1 | None | 1 |
| cappusa.com | 715103 | 30.56 | 1 | 1 | 1 |
| Galco | P100AP-4C-JHSN | 36.85 | 1 | 1 | 1 |
| blackhawksupply.com | P100AP-4C | 29.04 | 1 | None | 1 |
| PlumbersStock | 544578 | 30.87 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/172000000/172280000/part_--P100AP4C---JohnsonControls--cedf87b7d6.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp