{"title":"Honeywell","description":"\u003cp\u003eIndustrial surplus Honeywell parts and equipment, in stock at MRO Exchange.\u003c\/p\u003e","products":[{"product_id":"honeywell-gas-pressure-switch-c437d1013-12-to-5-psig-02442","title":"Honeywell C437D1013 Gas Pressure Switch 0.5 to 5 PSIG Open Box - Unused","description":"\u003cp\u003eThe Honeywell C437D1013 is a gas and air pressure switch designed for industrial gas system applications including safety shutoff, pressure control, and differential pressure control. Part number C437D1013 features a pressure range of 1\/2 to 5 PSIG with a 15 PSIG maximum, SPST (single-pole single-throw) switching configuration, breaks on pressure rise, and manual reset operation. The scale face is graduated in both kilopascals (0 to 35 kPa) and millimeters of water (500 to 3500 mm WC) in addition to pounds per square inch (0 to 5 PSI). FM and CSA certified markings are visible on the switch body. This unit contains mercury per the product labeling and must be disposed of or recycled in accordance with applicable local or state environmental codes. The item is presented in its original manufacturer cardboard packaging. Honeywell is a well-established manufacturer of combustion controls and safety components widely used in furnace, boiler, and industrial heating system applications. Compatible replacement or service for C437D series gas pressure switches in industrial burner management and combustion safety systems.\u003c\/p\u003e\n\n\u003cp\u003eStock # 0526-02442\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":49748340769008,"sku":"m02442","price":230.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6648\/7280\/files\/DE60A6A1-F2A8-4516-BFC1-8BDC19AAFAE5.jpg?v=1779299129"},{"product_id":"honeywell-gas-pressure-switch-c437d-egh-12-in-npt-0-to-5-psi-02487","title":"Honeywell C437D-EGH Gas Pressure Switch 1\/2 in NPT 0 to 5 PSI Inspected Surplus - Appears Unused","description":"\u003cp\u003eThe Honeywell C437D-EGH is a gas pressure actuated switch designed for industrial gas system applications including safety shutoff, pressure control, and differential pressure control. Part number C437D-EGH covers a pressure range of 0 to 5 PSI (5 to 35 kPa, 500 to 3500 mm of water column) with a 1\/2 inch NPT main pressure connection. The faceplate is labeled Gas A\/G\/LP Pressure Switch and carries both kilopascal and pounds per square inch scales for field reference during setup and calibration.\u003c\/p\u003e\n\n\u003cp\u003eThis unit is from the C437D,E,G,H series and features a SPST mercury switch mechanism. A warning label advising mercury containment and proper disposal is visible on the faceplate. Approvals visible on the faceplate include UL Listed (file 173H) and FM Approved. The item was manufactured in Minneapolis, MN. The C437D-EGH is a discontinued model; Honeywell's current Series 2000 C437D\/E models serve as successor products for many of the same applications.\u003c\/p\u003e\n\n\u003cp\u003eItem is in original cardboard box and appears unused. Mercury-containing pressure switches of this type require special handling and disposal in accordance with applicable local and federal regulations. Suitable for natural gas, air, and LP gas pressure monitoring in commercial and industrial burner systems, boiler controls, and related combustion equipment.\u003c\/p\u003e\n\n\u003cp\u003eStock # 0526-02487\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":49748786249968,"sku":"m02487","price":444.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6648\/7280\/files\/76D6AE43-76EC-4975-B723-CF21770E8494.png?v=1787748716"},{"product_id":"honeywell-gasair-pressure-switch-c437e1012-120240-vac-02493","title":"Honeywell C437E1012 Gas Pressure Switch 120V AC \/ 240V AC Factory Sealed","description":"\u003cp\u003eThe Honeywell C437E1012 is a gas and air pressure limit switch designed for pressure or differential pressure supervision in industrial burner and combustion control systems. Part number C437E1012 features a single-pole single-throw mercury switch that opens the circuit on pressure fall, providing a break-on-fall safety function with manual reset lockout. The adjustable pressure range spans 1\/2 to 5 PSIG (5 to 35 kPa, or 500 to 3500 mm of water column), with a differential of approximately 1\/4 PSI at midscale. The switch action is additive differential, consistent with C437E series behavior. Piping connections include a 1\/2 in. NPT female main or high-pressure port and a 1\/8 in. NPT female vent or low-pressure port. Maximum sustained operating pressure is 15.0 PSI (103.4 kPa). Contact ratings include 8.0 AFL at 120 Vac and 5.1 AFL at 240 Vac. The enclosed setting resists tampering and dust ingress, while the clear glass cover allows visual observation of the interior mechanism and switch position. The Buna-N fiber-reinforced diaphragm provides added strength for demanding applications. Approvals include UL Listed (File No. MP2168), CSA Certified (File No. LR1620), and Factory Mutual Approved. This unit is supplied in its original Honeywell manufacturer packaging and is noted as discontinued by Honeywell. Replacement parts and mounting bracket accessories were available under Honeywell accessory part numbers as documented in published product literature.\u003c\/p\u003e\n\n\u003cp\u003eStock # 0526-02493\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":49748875837680,"sku":"m02493","price":419.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6648\/7280\/files\/images.jpg?v=1788867625"},{"product_id":"honeywell-gas-pressure-switch-c437e1012-12-in-npt-female-main-18-in-npt-female-vent-05-to-5-psig-02495","title":"Honeywell C437E1012 Gas Pressure Switch 1\/2 in NPT Female Main 1\/8 in NPT Female Vent 0.5 to 5 PSIG Factory Sealed","description":"\u003cp\u003eThe Honeywell C437E1012 is a gas and air pressure limit switch designed for industrial gas system applications including safety shutoff, pressure control, and differential pressure control. Part number C437E1012 features an SPST mercury switch with a pressure range of 1\/2 to 5 PSIG, a differential of 1\/4 PSI, and a manual lockout reset that requires operator action before the system can resume operation after a pressure fall event. The switch breaks on pressure fall and is not self-resetting.\u003c\/p\u003e\n\n\u003cp\u003ePiping connections include a 1\/2 in. NPT female port for the main or high pressure connection and a 1\/8 in. NPT female port for the vent or low pressure connection. Maximum sustained operating pressure is 15.0 PSI (103.4 kPa). Switch contact ratings are 8.0 AFL at 120 VAC and 5.1 AFL at 240 VAC. Temperature rating is 32 F to 125 F (0 C to 52 C).\u003c\/p\u003e\n\n\u003cp\u003eThe unit carries UL Listing (File No. MP2168), CSA Certification (File No. LR1620), Factory Mutual Approval (Report Nos. 22018 and 24127), and Industrial Risk Insurers acceptance. The enclosed setting helps impede tampering and provides dust-resistant operation. A clear glass cover allows visual observation of the interior mechanism to aid in setpoint adjustment.\u003c\/p\u003e\n\n\u003cp\u003eThe date code stamped on the box is 0544. This model is discontinued by the manufacturer and has been superseded by mercury-free C437E Series 2000 models. The unit contains mercury and must be disposed of or recycled in accordance with applicable local or state environmental codes.\u003c\/p\u003e\n\n\u003cp\u003eStock # 0526-02495\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":49749311389936,"sku":"m02495","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6648\/7280\/files\/images_b837cd6b-b361-43c2-a3c9-b5d9ad161872.jpg?v=1788867620"},{"product_id":"honeywell-gas-air-pressure-switch-c437d1013-12-to-5-psig-02497","title":"Honeywell C437D1013 Gas Pressure Switch 0.5 to 5 PSIG Factory Sealed","description":"\u003cp\u003eThe Honeywell C437D1013 is a gas and air pressure switch designed for industrial combustion safety and control applications. It carries a pressure range of 1\/2 to 5 PSIG with a maximum sustained operating pressure of 15 PSI, as indicated on the original box label. The switching configuration is single-pole single-throw (SPST), and the unit is designed to break on pressure rise, meaning the circuit opens when pressure exceeds the set point. A manual reset mechanism is required to restore the switch to its normal operating state following a trip event, which is consistent with safety shutoff applications in gas-fired industrial furnaces, ovens, and combustion systems.\u003c\/p\u003e\n\n\u003cp\u003eThe device is part of Honeywell's C437D series of gas pressure switches, produced under the Home and Building Control division and manufactured by Honeywell Inc. of Minneapolis, Minnesota. The document reference number 32007210-001 Rev. A appears on the box label. This product contains mercury in the switching element and is subject to disposal or recycling requirements per applicable local or state environmental regulations, as noted on the packaging.\u003c\/p\u003e\n\n\u003cp\u003eThe item is presented in its original Honeywell cardboard box with the manufacturer's label intact. Part number C437D1013 is the market-recognized MPN for this model as used in active US industrial listings.\u003c\/p\u003e\n\n\u003cp\u003eStock # 0526-02497\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":49749369487600,"sku":"m02497","price":230.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6648\/7280\/files\/m02497.jpg?v=1788867743"},{"product_id":"honeywell-dc300k-0-0a3-20-0c00-0-process-controller-90-to-250-vac-untested-surplus-01652","title":"Honeywell DC300K-0-0A3-20-0C00-0 Temperature Process Controller 90 to 250V AC","description":"\u003cdiv class=\"product-specifications\"\u003e\n  \u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Honeywell\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMPN \/ Model:\u003c\/strong\u003e DC300K-0-0A3-20-0C00-0\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e UDC3000 Versa-Pro Universal Digital Process Controller\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 90 to 250 VAC\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFrequency:\u003c\/strong\u003e 50\/60 Hz\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e 18 VA\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSerial Number:\u003c\/strong\u003e 94390168339005\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRevision:\u003c\/strong\u003e 1\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManual Reference:\u003c\/strong\u003e 51-52-25-07B\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAgency Marking:\u003c\/strong\u003e CSA LR11368\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"seo-product-description\"\u003e\n  \u003ch3\u003eProduct Description\u003c\/h3\u003e\n  \u003cp\u003eHoneywell UDC3000 Versa-Pro universal digital process controller carrying model number DC300K-0-0A3-20-0C00-0. This is a panel mount controller from the Honeywell UDC3000 family, identified on the rating label by manual reference 51-52-25-07B and serial number 94390168339005, revision 1. The front panel includes the standard UDC3000 indicators for ALM, DI, RSP, and OUT along with FUNCTION, LOWER DISPLAY, MANUAL\/AUTO, SETPOINT SELECT, SET UP, RUN\/HOLD, and up and down keys.\u003c\/p\u003e\n  \u003cp\u003eThe rating label lists a wide supply input of 90 to 250 VAC at 50\/60 Hz with 18 VA power consumption, and the unit carries a CSA marking of LR11368. The rear terminal block is screw terminal style. Buyers matching a Honeywell UDC3000 Versa-Pro by the exact catalog number DC300K-0-0A3-20-0C00-0 can use the manufacturer, model, serial number, and visible label data to compare this unit against an existing controller for replacement, spare inventory, or maintenance sourcing.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":49856279019760,"sku":"m01652","price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6648\/7280\/files\/AFAEC290-A0F3-49FD-AEC3-5FA184B9894F.png?v=1785182680"},{"product_id":"honeywell-dc300k-e-0a3-20-0c00-0-temperature-process-controller-90-to-250-vac-untested-surplus-01653","title":"Honeywell DC300K-E-0A3-20-0C00-0 Temperature Process Controller 90 to 250V AC","description":"\u003cdiv class=\"product-specifications\"\u003e\n  \u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Honeywell\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMPN \/ Model:\u003c\/strong\u003e DC300K-E-0A3-20-0C00-0\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e UDC3000 Versa-Pro Universal Digital Controller\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 90 to 250 VAC\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFrequency:\u003c\/strong\u003e 50\/60 Hz\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e 18 VA\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManual Reference:\u003c\/strong\u003e 51-52-25-07D\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSerial Number:\u003c\/strong\u003e 95510181477001\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOEM \/ Alternate Part Number:\u003c\/strong\u003e 30756753-502\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"seo-product-description\"\u003e\n  \u003ch3\u003eProduct Description\u003c\/h3\u003e\n  \u003cp\u003eThis Honeywell UDC3000 Versa-Pro universal digital controller is identified by model number DC300K-E-0A3-20-0C00-0. It is a 1\/4 DIN panel mount process controller from the UDC3000 series, with a front panel layout that includes ALM, DI, RSP, and OUT indicators along with Function, Lower Display, Manual\/Auto, Setpoint Select, Set Up, and Run\/Hold keys.\u003c\/p\u003e\n  \u003cp\u003eThe nameplate confirms a power input of 90 to 250 VAC, 50\/60 Hz, drawing 18 VA, with manual reference 51-52-25-07D and serial number 95510181477001. The rear case carries alternate part number 30756753-502. Buyers matching an exact Honeywell catalog number for replacement, spare inventory, or maintenance sourcing can use the visible MPN and serial markings to confirm the configuration against their existing controller.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":49856280625392,"sku":"m01653","price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6648\/7280\/files\/886B99E6-BCA4-4837-91C4-88E1388AB341.png?v=1785182684"},{"product_id":"honeywell-dc300k-e-000-20-0000-0-temperature-controller-90-to-264-vac-untested-surplus-01654","title":"Honeywell DC300K-E-000-20-0000-0 Temperature Process Controller 90 to 264V AC","description":"\u003cdiv class=\"product-specifications\"\u003e\n  \u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Honeywell\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMPN \/ Model:\u003c\/strong\u003e DC300K-E-000-20-0000-0\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e UDC3000 Versa-Pro Digital Controller\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 90 to 264 VAC\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFrequency:\u003c\/strong\u003e 50\/60 Hz\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e 18 VA\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSerial Number:\u003c\/strong\u003e 93461415410001\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRevision:\u003c\/strong\u003e 1\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManual Reference:\u003c\/strong\u003e 51-52-25-07\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"seo-product-description\"\u003e\n  \u003ch3\u003eProduct Description\u003c\/h3\u003e\n  \u003cp\u003eHoneywell UDC3000 Versa-Pro digital controller identified by model number DC300K-E-000-20-0000-0. This is a 1\/4 DIN panel mount process and temperature controller from Honeywell's UDC3000 series, featuring front panel keys for Function, Lower Display, Manual\/Auto, Setpoint Select, Set Up, and Run\/Hold, along with ALM, DI, RSP, and OUT status indicators. The unit accepts a supply input of 90 to 264 VAC at 50\/60 Hz with 18 VA power consumption, and uses a rear barrel terminal block for field wiring. Serial number 93461415410001, Rev 1, with manual reference 51-52-25-07 noted on the nameplate. Buyers matching an exact Honeywell catalog number for replacement, spare inventory, or maintenance sourcing can use the MPN and visible nameplate data to confirm the unit against their existing equipment.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":49856281313520,"sku":"m01654","price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6648\/7280\/files\/5A5DE9E2-31D2-41C0-80F4-712F4FBC26E1.png?v=1785182690"},{"product_id":"honeywell-dc300k-e-0a3-20-0c00-0-temperature-process-controller-90-to-250-vac-untested-surplus-01655","title":"Honeywell DC300K-E-0A3-20-0C00-0 Temperature Process Controller 90 to 250V AC","description":"\u003cdiv class=\"product-specifications\"\u003e\n  \u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Honeywell\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMPN \/ Model:\u003c\/strong\u003e DC300K-E-0A3-20-0C00-0\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Process Controller\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProduct Line:\u003c\/strong\u003e UDC3000 Versa-Pro\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 90 to 250 VAC\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFrequency:\u003c\/strong\u003e 50\/60 Hz\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e 18 VA\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManual Reference:\u003c\/strong\u003e 51-52-25-07D\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSerial Number:\u003c\/strong\u003e 9531017303002\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"seo-product-description\"\u003e\n  \u003ch3\u003eProduct Description\u003c\/h3\u003e\n  \u003cp\u003eHoneywell DC300K-E-0A3-20-0C00-0 is a UDC3000 Versa-Pro process controller identified by the model number shown on the unit nameplate. The front panel includes Function, Lower Display, Manual\/Auto, and Setpoint Select keys along with Run\/Hold and Set Up functions, plus ALM, DI, RSP, and OUT indicators for status reference.\u003c\/p\u003e\n  \u003cp\u003eThe nameplate lists a power input of 90 to 250 VAC, 50\/60 Hz, at 18 VA, and references manual 51-52-25-07D. This controller is identified for buyers matching the exact Honeywell catalog number for replacement, spare inventory, or maintenance sourcing. The rear terminal block carries the IRC-SX marking and screw terminal connections for field wiring. Buyers comparing surplus options should use the exact model number and visible labeling to match the unit to their existing equipment.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":49856283214064,"sku":"m01655","price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6648\/7280\/files\/54A1B9B2-5280-45C8-9C59-FAC3EDA37907_20260727200836773.png?v=1785182918"}],"url":"https:\/\/mroexchange.com\/collections\/honeywell.oembed","provider":"MRO Exchange","version":"1.0","type":"link"}