RANCO A30-301 REFRIGERATION THERMOSTAT
A Series Cold Controls
The Ranco® A22, A30 and 9530 Series Constant Differential Temperature Controls are designed to switch electrical components of refrigeration systems in response to sensed temperatures.
Features and Benefits
- Laser-welded stainless steel bellows
- Fixed or adjustable temperature settings
- High-amperage contacts
- Pneumatic action provided by vapor-filled capillary or capillary with bulb sensing elements
- Constant On or Off positions available
- Choice of mounting brackets, adjustment ranges and cams, and slotted or flatted shafts
- Standard 1/4” quick-connect terminals with optional screw terminals
WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects, or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.

International Delivery (Outside of Trinidad & Tobago)
We deliver worldwide via courier or freight forwarder.
Most orders are shipped with UPS or DHL. If you have an account with a specified courier, please let us know your account details when you are placing the order.
For larger orders, we ship via ocean freight with our freight forwarder.
Delivery within Trinidad & Tobago)
All orders within Trinidad & Tobago will be delivered either by our in-house delivery service or via TTPost. Delivery is usually fulfilled locally within 0-2 business days.
For orders placed after 7am, delivery will be fulfilled on the following business day.
For orders placed before 7am, it’s possible that we can accommodate same-day delivery as our driver usually leaves our warehouse for daily deliveries between 7-8am.
If you require an item urgently, do let us know. We will do our best to accommodate your needs.
Returns
We do not facilitate international returns.
For local returns, only items returned within 14 days of their original shipment date in same as new condition and in the original packaging will be eligible for a refund or store credit with the original receipt. Restocking & sanitization fees will be charged upon return.
Help
Give us a shout if you have any other questions and/or concerns.
Email: info@servair.com
Phone:1(868)-658-1910 / 1911 / 2010
SPECIFICATIONS
| Series Application | A22/A30 Series Adaptable Constant Differential Control |
| Switch | SPST |
| Capillary Length | 84" |
| Cold Off | -24°F |
| Cold On | NA |
| Differential | 8.5°F |
| Normal Off | -3°F |
| Normal On | 5.5°F |
| Warm On | 20°F |
| Off Position | No |
| Comments | Does not have "Off" position |
CROSS REFERENCE
| Part # | Manufacturer |
| 02005979 | SINGER COMPANY |
| 077Z7014 | DANFOSS |
| 10-2106 | MARKET FORGE |
| 10-4045 | NORGE |
| 10-5401 | NORGE |
| 10-5901 | NORGE |
| 10-6206 | NORGE |
| 10-6542 | MARKET FORGE |
| 10-7302 | NORGE |
| 10-8235 | NORGE |
| 10-9398 | NORGE |
| 11-3787 | NORGE |
| 11-3789 | NORGE |
| 1176238 | CHRYSLER/AIRTEMP |
| 11-7805 | NORGE |
| 11-8417 | NORGE |
| 11-8455 | NORGE |
| 1209 | TRAULSEN |
| 124857-2 | BENDIX WESTINGHOUSE |
| 125902 | BENDIX WESTINGHOUSE |
| 12-6427 | NORGE |
| 12769 | TRAULSEN |
| 12-9643 | NORGE |
| 13-04-10 | KOCH REFRIG.INC. |
| 14B3-1253 | FROSTMASTER/CARRIER |
| 14P21-1203 | CARRIER/AIR COND.CO. |
| 14P63-1303 | CARRIER/AIR COND.CO. |
| 14P63-1333 | FROSTMASTER/CARRIER |
| 1597 | ORLEY BROTHERS CO. |
| 19-A-0365-0 | UNIVERSAL-NOLIN |
| 200823 | BENDIX WESTINGHOUSE |
| 201072 | BENDIX WESTINGHOUSE |
| 205553 | WHIRLPOOL |
| 220475 | CUSTOM MADE PRODUCTS |
| 2287-475PK | BORG-WARNER (YORK) |
| 23-5002 | MANITOWAC EQUIP. |
| 23-5002-4 | MANITOWAC EQUIP. |
| 23-5048 | MANITOWAC EQUIP. |
| 23-5059 | MANITOWAC EQUIP. |
| 23-5062 | MANITOWAC EQUIP. |
| 23-5088 | MANITOWAC EQUIP. |
| 239088 | HOBART CORP |
| 25-4342PK | BORG-WARNER (YORK) |
| 3030-301 | UNI-LINE |
| 3030-601 | Robertshaw |
| 3032-235 | UNI-LINE |
| 3040-301 | UNI-LINE |
| 3126-1 | ORLEY BROTHERS CO. |
| 36402 | WHIRLPOOL |
| 3670322 | MANITOWAC EQUIP. |
| 36E76 | LENNOX INDUSTRIES |
| 39375-3 | ALCO FOOD PREP. |
| 401003-1 | HUPP TYPHOON A/C |
| 40163P-1 | HUPP TYPHOON A/C |
| 43740 | VENDO |
| 44185 | UNIVERSAL LTD |
| 45206 | UNIVERSAL LTD |
| 4E048 | W.W. GRAINGER |
| 4S14 | HUSSMAN |
| 4-S-14 | HUSSMANN SELF-CONTAN |
| 501417 | UNIVERSAL LTD |
| 502-54 | BEVERAGE-AIR CO. |
| 5054889 | TYLER REFRIGERATION |
| 508506-A | UNIVERSAL LTD |
| 5-1036 | SCHAEFER-ALABAMA |
| 512756-C | UNIVERSAL COOLER CO. |
| 514709 | UNIVERSAL LTD |
| 514709-B | UNIVERSAL COOLER CO. |
| 514710 | UNIVERSAL LTD |
| 514710-B | UNIVERSAL COOLER CO. |
| 515243 | WHIRLPOOL |
| 515285 | UNIVERSAL LTD |
| 5155-18 | COOLERATOR |
| 518144-B | UNIVERSAL LTD |
| 518538-A | UNIVERSAL LTD |
| 5431 | TAYLOR FREEZER |
| 550980 | WHIRLPOOL |
| 5530-126 | PHILCO |
| 5530-260 | PHILCO |
| 5530-262 | PHILCO |
| 5530-343-25 | PHILCO |
| 553316 | WHIRLPOOL |
| 556054 | WHIRLPOOL |
| 556271 | WHIRLPOOL |
| 556273 | WHIRLPOOL |
| 566054 | WHIRLPOOL |
| 567878 | WHIRLPOOL |
| 579179 | WHIRLPOOL |
| 682523 | MANITOWAC EQUIP. |
| 682528 | MANITOWAC EQUIP. |
| 78404 | MANITOWAC EQUIP. |
| 813524 | WHIRLPOOL |
| 903457 | GENERAL FREEZER |
| 903727 | GENERAL FREEZER |
| 92049 | UNI-LINE |
| 9530N194 | CUTLER HAMMER |
| 954-028 | ANHEUSER-BUSCH INC. |
| 954-034 | ANHEUSER-BUSCH INC. |
| 9997-026 | UNI-LINE |
| A10-1191 | RANCO |
| A10-1529 | RANCO |
| A10-1539 | RANCO |
| A10-1558 | RANCO |
| A10-1578 | RANCO |
| A10-1669 | RANCO |
| A10-1678 | RANCO |
| A10-1800 | RANCO |
| A10-2056 | RANCO |
| A10-2101 | RANCO |
| A10-2109 | RANCO |
| A10-2110 | RANCO |
| A10-2111 | RANCO |
| A10-2112 | RANCO |
| A10-2113 | RANCO |
| A10-2116 | RANCO |
| A10-2120 | RANCO |
| A10-2126 | RANCO |
| A10-2129 | RANCO |
| A10-2165 | RANCO |
| A10-2168 | RANCO |
| A10-2500 | RANCO |
| A10-2501 | RANCO |
| A10-2505 | RANCO |
| A10-2507 | RANCO |
| A10-2508 | RANCO |
| A10-2510 | RANCO |
| A10-2511 | RANCO |
| A10-2525 | RANCO |
| A10-2541 | RANCO |
| A10-2544 | RANCO |
| A10-2554 | RANCO |
| A10-2565 | RANCO |
| A10-2567 | RANCO |
| A10-2570 | RANCO |
| A10-2572X | RANCO |
| A10-2573 | RANCO |
| A10-2574 | RANCO |
| A10-2579 | RANCO |
| A10-2585 | RANCO |
| A10-2586 | RANCO |
| A10-2595 | RANCO |
| A10-2603 | RANCO |
| A10-2609 | RANCO |
| A10-2613 | RANCO |
| A10-2644 | RANCO |
| A10-2648 | RANCO |
| A10-2657 | RANCO |
| A10-2659 | RANCO |
| A10-2669 | RANCO |
| A10-2688 | RANCO |
| A10-2704 | RANCO |
| A10-2718 | RANCO |
| A10-2735 | RANCO |
| A10-2759 | RANCO |
| A10-2826 | RANCO |
| A10-2835 | RANCO |
| A10-2844 | RANCO |
| A10-2883 | RANCO |
| A10-2886 | RANCO |
| A10-2903 | RANCO |
| A10-2905 | RANCO |
| A10-2923 | RANCO |
| A10-2938 | RANCO |
| A10-2981 | RANCO |
| A10-2982 | RANCO |
| A10-2984 | RANCO |
| A10-2986 | RANCO |
| A10-2987 | RANCO |
| A10-2991 | RANCO |
| A10-3511 | RANCO |
| A10-3553 | RANCO |
| A10-3554 | RANCO |
| A10-3558 | RANCO |
| A10-3583 | RANCO |
| A10-3600 | RANCO |
| A10-3617 | RANCO |
| A10-3620 | RANCO |
| A10-3625 | RANCO |
| A10-3627 | RANCO |
| A10-3687 | RANCO |
| A10-3690 | RANCO |
| A10-3693 | RANCO |
| A10-3721 | RANCO |
| A10-3722 | RANCO |
| A10-3724 | RANCO |
| A10-3784 | RANCO |
| A10-3796 | RANCO |
| A10-3843 | RANCO |
| A10-3860 | RANCO |
| A10-3884 | RANCO |
| A10-3975 | RANCO |
| A10-4457 | RANCO |
| A10-4458 | RANCO |
| A10-4461 | RANCO |
| A10-6133 | RANCO |
| A10-6185 | RANCO |
| A10-649 | RANCO |
| A10-671 | RANCO |
| A10-769 | RANCO |
| A10-895 | RANCO |
| A10-897 | RANCO |
| A10-908 | RANCO |
| A10-916 | RANCO |
| A30-1659 | RANCO |
| A30-1769-35 | RANCO |
| A30-1769-36 | RANCO |
| A30-2506 | RANCO |
| A30301 | RANCO |
| A30-301-070 | Invensys Climate Controls |
| A30-3501 | RANCO |
| A30-3502 | RANCO |
| A30-3504 | RANCO |
| A30-3506 | RANCO |
| A30-3507 | RANCO |
| A30-3510 | RANCO |
| A30-3515 | RANCO |
| A30-3532 | ROBERTSHAW |
| A30-3535 | RANCO |
| A30-3553 | RANCO |
| A30-3572 | RANCO |
| A30-3597 | RANCO |
| A30-3619 | RANCO |
| A30-377 | RANCO |
| A30-378 | RANCO |
| A30-380 | RANCO |
| A30-3866 | RANCO |
| A30-512 | RANCO |
| A50-2053 | RANCO |
| A50-2058 | RANCO |
| A50-2062 | RANCO |
| A50-2063 | RANCO |
| A50-2067 | RANCO |
| A50-2104 | RANCO |
| A50-2109 | RANCO |
| A50-2114 | RANCO |
| A50-2117 | RANCO |
| A50-2120 | RANCO |
| A50-239 | RANCO |
| A-520139-2 | QUICKFREEZE (VICTOR) |
| A6846 | SCHAEFER/STUDEBAKER |
| A88832 | FREEZERRVER PRODUCTS |
| AF52348 | FREEZERRVER PRODUCTS |
| AF52799-A | FREEZERRVER PRODUCTS |
| B-05130 | QUICKFREEZE (VICTOR) |
| B-1007 | RANCO |
| B-10149 | RANNEY |
| B-1029 | RANCO |
| B-103 | RANCO |
| B-1033 | RANCO |
| B10-363D | JOHNSTONE SUPPLY |
| B-1044 | RANCO |
| B-1045 | RANCO |
| B-1051 | RANCO |
| B-106 | RANCO |
| B-1077 | RANCO |
| B-1081 | RANCO |
| B-110 | RANCO |
| B-1114 | RANCO |
| B-1116 | RANCO |
| B-112 | RANCO |
| B-1129 | RANCO |
| B-113 | RANCO |
| B-118 | RANCO |
| B-1-19488 | ROY INDUSTRIES E. |
| B-124857-2 | CROSLEY |
| B-124857-3A | CROSLEY |
| B-124857-4A | CROSLEY |
| B-128 | RANCO |
| B-129 | RANCO |
| B-130 | RANCO |
| B-133 | RANCO |
| B-136 | RANCO |
| B-138 | RANCO |
| B-139 | RANCO |
| B-142 | RANCO |
| B-143 | RANCO |
| B-146 | RANCO |
| B-147 | RANCO |
| B-151 | RANCO |
| B-152 | RANCO |
| B-155 | RANCO |
| B-188 | RANCO |
| B-195 | RANCO |
| B-20458 | ROY INDUSTRIES E. |
| B-20472 | ROY INDUSTRIES E. |
| B-208 | RANCO |
| B-2-19488 | ROY INDUSTRIES E. |
| B-2501 | RANCO |
| B-2502 | RANCO |
| B-2503 | RANCO |
| B-2504 | RANCO |
| B-2505 | RANCO |
| B-2508 | RANCO |
| B-3-19488 | ROY INDUSTRIES E. |
| B42283 | VENDO |
| B4849 | SCHAEFER/STUDEBAKER |
| B55079 | FREEZERRVER PRODUCTS |
| B82292-1 | FREEZERRVER PRODUCTS |
| B83298 | FREEZERRVER PRODUCTS |
| B84262 | FREEZERRVER PRODUCTS |
| B84972 | FREEZERRVER PRODUCTS |
| B86839 | FREEZERRVER PRODUCTS |
| B-91577 | FRANKLIN MFG.CO. |
| B93309 | FREEZERRVER PRODUCTS |
| B95758 | FREEZERRVER PRODUCTS |
| B-9773 | RANNEY |
| BF11951 | FREEZERRVER PRODUCTS |
| BF11951-1 | FREEZERRVER PRODUCTS |
| BF-11951-1 | FRANKLIN MFG.CO. |
| BF50527 | FREEZERRVER PRODUCTS |
| BF51589 | FREEZERRVER PRODUCTS |
| BF52827 | FREEZERRVER PRODUCTS |
| BR-2244 | BEN HUR MFG.CO. |
| C-10025 | CROSLEY |
| C10909-1 | SCHAEFER-ALABAMA |
| C10909-4 | SCHAEFER-ALABAMA |
| C10909-6 | SCHAEFER/STUDEBAKER |
| CA10-1127 | RANCO |
| CA10-1381 | RANCO |
| CA10-1396 | RANCO |
| CA10-1401 | RANCO |
| CA10-2165 | RANCO |
| CA10-2511 | RANCO |
| CA10-2771 | RANCO |
| CA10-2815 | RANCO |
| CA10-2886 | RANCO |
| CA10-2987 | RANCO |
| CA10-3623 | RANCO |
| CA10-3697 | RANCO |
| CA10-3782 | RANCO |
| CA10-3784 | RANCO |
| CA10-3835 | RANCO |
| CA10-3850 | RANCO |
| CA10-3882 | RANCO |
| CA10-4924 | RANCO |
| CA10-843 | RANCO |
| CA10-870 | RANCO |
| CA30-301 | RANCO |
| CT-21-A | FOGEL REFRIGERATION |
| CT-73C | CONSOLIDATED COMM.CO |
| E219016 | MILES LABORATORIES |
| GA30301 | GEMLINE |
| HH22UB014 | CARRIER/AIR COND.CO. |
| HH22UB020 | CARRIER/AIR COND.CO. |
| HH22UK215 | CARRIER/AIR COND.CO. |
| HH22UK309 | CARRIER/AIR COND.CO. |
| HH22UK311 | CARRIER/AIR COND.CO. |
| HH22UK312 | CARRIER/AIR COND.CO. |
| HH22UK314 | CARRIER/AIR COND.CO. |
| HY23UK401 | CARRIER/AIR COND.CO. |
| HY23UK402 | CARRIER/AIR COND.CO. |
| HY23UK403 | CARRIER/AIR COND.CO. |
| KR-3015 | RANCO |
| KWS-414 | RANCO |
| P-3650B | UNITED REFRIGERATION |
| P-3650-B | UNITED REFRIGERATION |
| P5155-19B | COOLERATOR |
| PP-412 | HILL REFRIGERATION |
| PP-4138 | HILL REFRIGERATION |
| PP-541 | HILL REFRIGERATION |
| PP-6332 | HILL REFRIGERATION |
| PP-6766 | HILL REFRIGERATION |
| R10078 | COOLERATOR |
| R10091 | COOLERATOR |
| R10091-2 | COOLERATOR |
| R163A | NATIONWIDE EQUIP. |
| R-163-A | VICTOR MFG. DIST. |
| RC32-1035 | ROBERTSHAW |
| RC32-1245 | ROBERTSHAW |
| RC32-1466 | ROBERTSHAW |
| RHX-3530 | FRANKLIN MFG.CO. |
| RJ-1069 | RANCO |
| RJ-3084 | RANCO |
| RJ-3091 | RANCO |
| RJ-3110 | RANCO |
| RJ-3130 | RANCO |
| RJ-3152 | RANCO |
| RJ-3265 | RANCO |
| RJ-959 | RANCO |
| RJ-974 | RANCO |
| RJS-3199 | RANCO |
| RJS-3225 | RANCO |
| RJS-3254 | RANCO |
| SA-2106 | RANCO |
| SA-2107 | RANCO |
| SA-2109 | RANCO |
| SA-2111 | RANCO |
| SA-2118 | RANCO |
| SA-2126 | RANCO |
| SA-2127 | RANCO |
| SA-2128 | RANCO |
| SA-2129 | RANCO |
| SA-2131 | RANCO |
| SA-2133 | RANCO |
| SC650 | FREEZERRVER PRODUCTS |
| SKB-3155 | QUICKFREEZE (VICTOR) |
| SN-16150-CN | STAR COOLER CORP. |
| Brand | Ranco |
|---|
