

Navigating The Mark-Costello Co.’s Medical Waste Sterilizer Parts List effectively begins by understanding its broad categorization and designations. With part numbers clearly aligned to descriptions, users can swiftly locate needed components during regular maintenance or urgent repair situations.
Begin with sealing elements—key to maintaining chamber integrity—by identifying the correct Lip Seal Gasket (silicon) model number matching your chamber door. From S-108 to S-230 (or custom by-the-foot), selecting the appropriate size ensures a tight, durable seal.
For mechanical components, locate items such as spur gears, pinion shafts, and door racks/wedges to ensure smooth and reliable door movements. These components play a vital role in heavy-duty operations and must match the door size or model precisely.
To address control systems, find timers (ATC) for scheduling cycles, relays for switching operations, and indicator and stop-start interfaces for manual controls. Control panel replacements are streamlined with these dedicated parts.
When precision monitoring is required, the Partlow recorder components—including pen controllers (single or dual) and remote/stationary probes (both grounded and non-grounded)—are essential for documentation and validation of sterilization cycles. Charts and cartridges ensure continuous recording.
Keeping your drainage and steam systems functioning relies on correctly sized steam traps, strainers, and related components, which sustain effective condensate removal and prevent system failures. Electro-pneumatic solenoid valves regulate steam flow reliably across the sterilizer’s operational range.
To request a part, users should reference the specific part number, provide the sterilizer model, and describe the operational context where the part functions. This ensures The Mark-Costello Co. can provide accurate replacements and support. Additionally, pairing parts with service consultations can prevent downtime and optimize equipment performance.
Using this organized parts structure ensures clarity, speed, and effectiveness. Whether addressing maintenance, upgrading parts, or planning preventive strategies, the compiled list empowers operators to maintain consistent sterilizer reliability and facility safety.

Mark Costello has been a trusted name in waste management for decades, delivering reliable and effective solutions that businesses count on.
Using the latest technology, We ensures that waste management systems are efficient and up to industry standards, from food digesters to compactors.
At Mark Costello,we provides tailored waste management solutions that fit each business’s unique needs, ensuring a smooth integration into existing operations.
Mark Costello is dedicated to helping businesses achieve their sustainability goals by turning waste into valuable resources, supporting a greener future.
All pricing subject to change. For all prices for products purchased, The Mark-Costello reserves the right to make adjustments due to changing market conditions, product discontinuation, manufacturer price changes, errors in advertisements and other extenuating circumstances.
| Part Number | Description |
| S-108 | Lip Seal Gasket Silicon |
| S-149 | Lip Seal Gasket Silicon |
| S-180 | Lip Seal Gasket Silicon |
| S-230 | Lip Seal Gasket Silicon |
| Per Foot | Lip Seal Gasket Silicon |
| 5S1F | Humphrey Cyl. |
| BZG1-2RN | Selecta Sw. single pole, double throw (LIMIT SWITCHES) |
| DTE6-2RN | Selecta Sw. double pole, double throw |
| A223GTTD | Jamesbury Ball Valve |
| 10403 | Jergen’s Safety Handle |
| 38535 | O-R Ratchet Ass’y |
| 5HG-12 | Spur Gear |
| Rack for 4′ Door | |
| Rack for 5′ Door | |
| CF1-3/8S | McGill Cam Roll |
| I-1/2 SC | Dodge 1/2″ 4 Bolt Flange Bearing |
| Door Wedge 4ft. door | |
| Door Wedge 5ft. door | |
| Pinion Shaft | |
| 305E-10-9-A10PX | ATC. Mtr. Driven Timer |
| 3051050100 | ATC Timer Key (key only) |
| 700-N200A1 | Contact Relay |
| 52PA4E2 | Red Indicator Light |
| 52OA8A2 | Red Stop Button |
| 52BAJ | N.C. Contacts |
| 525C6AX | Keyed Start Sw. |
| 52BAK | N.O. Contacts |
| AB 100C16D10 | Contactor |
| AB TA296 | Coil 208-240V 60HZ |
| AB 193ED1EB | 600V AC OVERLOAD RELAY |
| Partlow 5000 Recorders | |
| Single Pen Controller-Complete | |
| Duel Pen Controller-Complete | |
| Hyd. Single Pen Controller-Complete | |
| Hyd. Duel Pen Controller-Complete | |
| Start Key | |
| 52010021 | Partlow Single Pen |
| Recorder, Controller-Only | |
| 52211021 | Partlow Duel Pen |
| Recorder, Controller-Only | |
| 64432602 | Relay Circuit Board |
| Probes | |
| MTC-K-1257-U-84-MOD | Remote Probe |
| Non-Grounded | |
| MTC-2508-U-7 | Stationary Probe |
| Non-Grounded | |
| MTC-K-2508-U-5 | Probe-Non-Grounded |
| 60500402 | Pen Cartridge (Red) |
| 60500401 | Pen Cartridge (Green) |
| 213802 | Charts 24hr. 0-400 |
| 213807 | Charts 7 day 0-400 |
| 213883 | Charts 24hr. 0-300 |
| 213801 | Charts 24hr. 0-200 |
| Partlow 4000 Controllers – Controllers & Controller Parts Now Obsolete | |
| 41310000411 | 41310000411 Single Pen Controller |
| 413103100411 | 413103100411 Duel Pen Controller |
| 64413624 | Recorder Board |
| 64413711 | Controller Board |
| 64413413 | Chart Drive Mtr. 24hr. |
| 64413401 | Chart Drive Mtr. 7day |
| MTC-K-1257-G-84-MOD | Probe-Remote-Grounded |
| MTC-K-2508-G-7 | Probe-Stationary-Grounded |
| DSC-483 | Probe-Remote-Old Style |
| 644113201 | 64413201 Pen Holder (Red) |
| 644113301 | 64413301 Pen Holder (Green) |
| 60500403 | Pen Cartridges (Red-Short) |
| 60500402 | Pen Cartridges (Red-Long) |
| 60500401 | Pen Cartridges (Green) |
| 213802 | Charts 24hr. 0-400 |
| 213807 | Charts 7day 0-400 |
| 213883 | Charts 24hr. 0-300 |
| 213801 | Charts 24hr. 0-200 |
| Partlow RF Controllers | |
| 64415402 | Chart Drive 24hr. |
| 64402201 | Pen & Holder Kit |
| 206003 | Charts 24hr. 100-350 |
| 206006 | Charts 7day 100-350 |
| 22332-0029 | Ribbon Cartridge |
| 22335-0018 | Paper – one roll (1) |
| Drain System Parts | |
| 5174202 | Steam Trap 3/4″ SLR |
| 5774202 | Trap Repair Kit 3/4″ SLR |
| 5137621 | Steam Trap 1-1/2″ SLR |
| B73 1-1/2″ | Spence 1-1/2″ B73 Body Gasket |
| CA41SC | “Y” Strainer 3/4″ |
| Code 41 | Strainer Screen Only 3/4″ 30 Mesh |
| CA1SC 1-1/2″ | “Y” Strainer 1-1/2″ |
| Code 1 1-1/2″ | Strainer Screen Only 1-1/2″ .045 |
| A19253 1-1/2″ | Stainer Screen Only 1-1/2″ 40 Mesh |
| 72-11 1-1/2″ | Kraissl Basket Strainer |
| 72-11 SS 1/32 perf. | Kraissl Basket Only |
| 72-11 Gasket Cover | |
| W-V47AC-3 1 1/2 in & out (PSC) | Parkers Condensate Cooler Assembly |
| 8″ Sump Basket SS. | |
| 2″ Shell Strainer with SS screen | |
| 18″ X 36″ Grated Floor Panels | |
| Solenoid Valves | |
| 114S43 | 3/4″ Solenoid N.C. Inlet |
| 116S44 | 1″ Solenoid N.C. Inlet |
| 116SR44 | 1″ Solenoid N.O. Blow-down |
| AI2S | Coil Only-fits 3/4 & 1″ valves 120/60 2/7 CCH |
| 5CI2S | Coil 240/50 |
| 8220G23 | 3/4″ Solenoid N.C. Inlet |
| 8220G93 | 1/2″ Solenoid N.C. Blow-down |
| 71-AR4-64-AS063N05AA-3T24112AV | Electro-Pneumatic 3/4″ |
| 71-AR5-64-AS075N05AA-3T24112AV | Electro-Pneumatic 1″ |
| 71-AR7-64-AS085N05AA-3T24112AV | Electro-Pneumatic 1 1/2″ |
| 71-AR8-64-AS085N05AA-3T24112AV | Electro-Pneumatic 2″ |
| all above = brz ball valves/spring-return air actuators w/120vac solenoid valves | |
| Various Parts | |
| HH-21A | DIGITAL THERMOMETER |
| B83204 | Trerice Bi-metal Thermometer |
| 800MVF | 1/2″ United Brass Ball Valve |
| 800B4 | Trerice PSI Gauge |
| 6010 ED | Safety Relief Valve 3/4 X 1 in |
| 1″ Sterico R-152F Temp. Reg. | |
| LX50L | Scissors Lift, Bishamon |
| Casters & Wheels | |
| 16 CW 64V CI | 4″ Swivel Casters, Steel Wheels, Darcor |
| 16 CW 64R CI | 4″ Rigid Casters, Steel Wheels, Darcor |
| 16 CW 64V Poly | 4″ Swivel Casters, Poly Wheels |
| 16 CW 64R Poly | 4″ Rigid Casters, Poly Wheels |
| 16 CW 64V Rig | 4″ Swivel Riggs, Only |
| 16 CW 64R Rig | 4″ Rigid Riggs, Only |
| 4-121C | 4″ White Poly Wheels, Only |
| 6″ White Poly Wheels, Only | |
| SSB-1 | Bushings, SS |
| AZS1 | Axels, SS, with Zirks |
| 16 CW 76V CI | 6″ Swivel Caster, Steel Wheels, Darcor |
| 16 CW 76R CI | 6″ Rigid Caster, Steel Wheels, Darcor |
| 16 CW 76V Poly | 6″ Swivel Casters, Poly Wheels |
| 16 CW 76R Poly | 6″ Rigid Casters, Poly Wheels |
| 16 CW 76V Rig | 6″ Swivel Riggs, Only |
| 16 CW 76R Rig | 6″ Rigid Riggs, Only |
| Cart Liners & Bags | |
| 5300 | 4 & 5ft. Std. Cart Liners, 68 X 69 – 1.2 mil |
| 5215/9970/75 S H N P | 5ft. HV Cart Liner, 112 X 70 – 1.2 mil No Temp. Indicator w/holes (75 bags per roll) |
| 9970/75 H NP | 5ft. HV Cart Liner, 112 x 70 – 1.2 mil No Temp. Indicator w/holes (75 bags per roll |
| 9912 S | 103 X 76 X 1.2 mil No Vent Holes w/temp. Indicator Strip (75 bags per roll) |
| 5055 HTS | Autoclavable Bag, 38 X 47 – 1.8 mil |
Send us a message with your questions or concerns and our team member will contact you. We’d love to hear from you.
