Sign in or Create an Account

Cart 0

Home
Brands
- Armstrong
- Armstrong Fluid Technology
- Hoffman Specialty
- Keckley
- Kunkle
- Mepco
- Nicholson Steam Trap
- Siemens
- Spence
- Spirax Sarco
- Sterlco
- Tunstall
- Watson McDaniel
- Watts
- Wilo
Store
The Agora
About Us
Contact Us
Sign in
Create an Account

Home
Brands
- Armstrong
- Armstrong Fluid Technology
- Hoffman Specialty
- Keckley
- Kunkle
- Mepco
- Nicholson Steam Trap
- Siemens
- Spence
- Spirax Sarco
- Sterlco
- Tunstall
- Watson McDaniel
- Watts
- Wilo
Store
The Agora
About Us
Contact Us
Sign in
Create an Account

Home › Products › Spirax/Sarco RTH-125

Shop By

All
"Y" Strainer
25 Series Main Valve
25P Main Valve
25PT Main Valve
25T Main Valve
A "Y" Strainer Cover Gasket
A-7 "Y" Strainer
A-7 "Y" Strainer Cover Gasket
AGG5.110
AGG5.210
AGG5.310
AGG5.720
AGG5.721
Air Eliminator
Air Pilot Valve
Air Pressure Regulator
Air Vent
American Made Strainer
Armstrong 1060 Circulating Pumps
Armstrong 11AV Direct Replacement
Armstrong 1811 Bucket Steam Trap
Armstrong 2010 Direct Replacement
Armstrong 2011 Direct Replacement
Armstrong 211 Bucket Trap
Armstrong 212 Bucket Steam Trap
Armstrong 213 Bucket Steam Trap
Armstrong 213 Bucket Trap
Armstrong 214 Bucket Steam Trap
Armstrong 21AR Direct Replacement
Armstrong 22AV Direct Replacement
Armstrong 250CI
Armstrong 32AV Direct Replacement
Armstrong 800
Armstrong 800 Direct Replacement
Armstrong 800 Steam Trap
Armstrong 811
Armstrong 811 Direct Replacement
Armstrong 811 Steam Trap
Armstrong 812 Bucket Trap
Armstrong 812 Direct Replacament
Armstrong 813 Bucket Trap
Armstrong 813 Direct Replacement
Armstrong 814 Bucket Steam Trap
Armstrong 814 Bucket Trap
Armstrong 814 Direct Replacement
Armstrong 815 Bucket Steam Trap
Armstrong 815 Direct Replacement
Armstrong 816 Bucket Steam Trap
Armstrong 816 Direct Replacement
Armstrong 880 Bucket Steam Trap
Armstrong 880 Direct Replacement
Armstrong 881 Bucket Steam Trap
Armstrong 881 Direct Replacement
Armstrong 882 Bucket Steam Trap
Armstrong 883 Bucket Steam Trap
Armstrong 883 Bucket Trap
Armstrong A Series Float & Thermostatic Steam Trap
Armstrong AFH-41215-G
Armstrong AFH-4128G
Armstrong ARMflo Pump
Armstrong Astro 2 Series Circulating Pumps
Armstrong Bearing Assembly
Armstrong CD-3300 Direct Replacement
Armstrong E.2 Series Circulating Pump
Armstrong E11.2B Pump
Armstrong E12.2 Pump
Armstrong E12.2B Pump
Armstrong E13.2 Pump
Armstrong E16.2 Pump
Armstrong E16.2B Pump
Armstrong E7.2 LV Pump
Armstrong E7.2 Pump
Armstrong E9.2 Pump
Armstrong FHS-4028G
Armstrong FT-4000 Direct Replacement
Armstrong GD-30
Armstrong GD-30S
Armstrong GD-45
Armstrong Gold Series
Armstrong GP-1 Cross Reference
Armstrong GP-1000 Cross Reference
Armstrong GP-18 Cross Reference
Armstrong GP-2000
Armstrong GP-2000R
Armstrong GP-28 Cross Reference
Armstrong H-32
Armstrong H-41
Armstrong H-53
Armstrong JD F&T Steam Trap
Armstrong PCA Repair Kit
Armstrong PT104 Replacement
Armstrong PT3500 Replacement
Armstrong PT400 Replacement
Armstrong Pumps
Armstrong S & H Circulating Pumps
Armstrong S-35
Armstrong S-45
Armstrong Series A F&T Steam Trap
Armstrong Series B Float & Thermostatic Steam Trap
Armstrong Steam Pressure Regulator
Armstrong Steam Traps
ASME Section I Steam Safety Valve
ASME Section VIII Air/Gas Safety Valve
ASME Section VIII Steam Safety Valve
AZL23.00A9
AZL52.40B1
B1H Bucket Trap
B2 Bucket Trap
B3 Bucket Trap
B4 Bucket Trap
B5 Bucket Trap
B7 "Y" Strainer
B7 "Y" Strainer Cover Gasket
BA-7 "Y" Strainer Cover Gasket
Back Pressure Regulator
Backpressure Pilot Valve
Balancing Valve
Barnes & Jones Steam Traps
Basket Strainer
Basket Strainer Cover Gasket
Basket Strainer Screen
Bimetallic Steam Trap
Boiler Controls
Boiler Feed Pump
Boiler Feed System
Boiler Safety Valve
Bronze Circulating Pump
Bronze Strainer
Bucket Trap Repair Parts
Carbon Steel Strainer
Cast Iron Strainer
Centrifugal Pump
Check Valve
Circuit Setter
Class 600 Strainer
Clean Steam Trap
Close Coupled Pump
Condensate Pump
Condensate Return Pump
Control Motor
Control Valve
Cover Gasket
CRV Condensate Pump Parts
D Basket Strainer
Direct Operated Steam Pressure Regulator
Domestic Water Pump
Dunham Bush Radiator Valves
Dunham Bush Steam Traps
Duplex Basket Strainer
E Main Valve
E-150 "Y" Strainer Cover Gasket
ECM Pump
Electronic Control Valve
Electronic Pilot Valve
Electronic Valve Actuator
F&T Steam Trap Repair Kits
F&T Steam Trap Repair Parts
F-150 "Y" Strainer Cover Gasket
feed-sl-24x24x24
Flame Safeguard
Flame Scanner
Flanged Y Strainer
Flash Tank
Float & Thermostatic Steam Trap
Float Trap
Flowrite 599 Series
FT Series
FTB Series
FTE Series
FTI Series
Gas Burner Control
Gas Regulating Valve
Gas Shutoff Valve
Gas Valve Actuator
Gas Valve Body
GFV Basket Strainer
Grundfos Magna3 Direct Replacement
Guardian Series
High Capacity Float & Thermostatic Steam Trap
High Efficiency Pump
High Pressure Thermostatic Steam Trap
Hoffman 1140 Replacement
Hoffman 1140R Replacement
Hoffman 180001
Hoffman 180029
Hoffman 55 Series F&T Steam Trap
Hoffman 609PF
Hoffman 616PF
Hoffman 62 Direct Replacement
Hoffman Number 8
Hoffman Series B0
Hoffman Series B1
Hoffman Series B2
Hoffman Series B3
Hoffman Series B4
Hoffman Series B6
Hoffman Series C
Hoffman Series H
Hoffman Series H Direct Replacement
Hoffman Series I
Hoffman Series X
Hoffman Steam Trap
Hoffman Steam Valve
Hoffman Watchmen
In-Line Float & Thermostatic Steam Trap
In-Line Pump
Inverted Bucket Steam Trap
Keckley A-7 Strainer
Keckley B7 Strainer
Keckley Basket Strainer
Keckley DPXF Basket Strainer
Keckley DPXS Duplex Basket Strainer
Keckley E-150 Strainer
Keckley F-150 Strainer
Keckley F7 Y Strainer
Keckley Float Valve
Keckley GFV Simplex Basket Strainer
Keckley GFVK Simplex Basket Strainer
Keckley GFVK7 Simplex Basket Strainer
Keckley KT7 Simplex Basket Strainer
Keckley SA-7 Strainer
Keckley SGFV Simplex Basket Strainer
Keckley SSA-7 Strainer
Keckley SSB-7 Strainer
Keckley SSD Simplex Basket Strainer
Keckley SSGFV Simplex Basket Strainer
Keckley Strainer
Keckley Style B Strainer
Keckley Type 27 Float Valve
Keckley Type 7 Float Valve
Keckley Y Strainer
Keckley Y-Strainer
Kunkle 6010
Kunkle 6010DCM01
Kunkle 6010DDM01
Kunkle 6010EDM01
Kunkle 6010EEM01
Kunkle 6010FEM01
Kunkle 6010GFM01
Kunkle 6010GGM01
Kunkle 6010HGM01
Kunkle 6010HHM01
Kunkle 6010JHM01
Kunkle 6010JJM01
Kunkle 6252
Kunkle 900 Series
Kunkle Air Compressor Safety Valve
Kunkle Air Pressure Relief Valve
Kunkle Model 910
Kunkle Model 911
Kunkle Valve
Lead Free Strainer
Liquid Drainer
LMV36.520A1
LMV37.420A1
Macon Balancing
Macon Controls
Mepco (Dunham Bush) 40 Series
Mepco 42 Series
Mepco 44 Series
Mepco IB00 Series
Mepco IB11 Series
Mepco IB12 Series
Mepco IB13 Series
Mepco IB14 Series
Mepco IB15 Series
Mepco IB16 Series
Mepco ML11763
Mepco Radiator Valves
Mepco RC06 Pump
Mepco Steam Traps
Modulating Actuator
Modulating Water Level Control System
Nicholson CDS Sanitary Steam Trap Replacement
Nicholson FTN Series
Nicholson N451 Direct Replacement
Nicholson N452 Direct Replacement
Nicholson N453 Direct Replacement
Nicholson N454 Direct Replacement
Nicholson P3 Classic Vertical Replacement
Nicholson P3 Replacement
Nicholson Sanitary Steam Trap DS100 Replacement
Nicholson Steam Trap
Nicholson TA502 Direct Replacement
Nicholson TA503 Direct Replacement
Nicholson TA504 Direct Replacement
Nicholson UMT-TD Direct Replacement
Nicholson UMT450 Direct Replacement
Nicholson USBT Direct Replacement
Oil Pressure Regulator
One Pipe Steam Radiator Valve
Permanent Magnet Pump
Pneumatic Control Valve
Pressure Booster Pump
Pressure Motive Pump
Pressure Pilot Valve
Pressure Regulating Valve
Pressuretrol Controller
Pump Parts
Pump Trap
QRA2(1)
QRA2M(1)
QRA4.U
QRA4M.U
QRA75.A17
QRI2A2.B180B
QRI2B2.B180B
QRI73.A17
Radiator Trap
Radiator Valve
Radiator Valve Parts
Relief Valve
RWF5
RWF55
SA-7 "Y" Strainer
SA-7 "Y" Strainer Cover Gasket
Safety Valve
SB-7 "Y" Strainer
SB-7 "Y" Strainer Cover Gasket
Seal Kit
Servomotor
SGFV Basket Strainer
Shipco 100EMV
Shipco 110D-1PH
Shipco 120 EC-25
Shipco 120 EC-30
Shipco 120EC
Shipco 150 EC-30
Shipco 150EC
Shipco 180 EC
Shipco 200EMV
Shipco 30EMV
Shipco 50EMV
Shipco 60EC
Shipco 60EC-25
Shipco 80 EC-25
Shipco 80 EC-30
Shipco 80EC
Shipco EC-30
Siemens LAL
Siemens LFL
Siemens LME7
Siemens LME71
Siemens LME73
Siemens LME75
Siemens LMV3
Siemens LMV5
Simplex Basket Strainer
SKP15 Gas Actuator
SKP25 Regulating Gas Actuator
SKP55 Differential Pressure Actuator
SKP75 Air/Gas Ratio Actuator
Solenoid Pilot Valve
Spence D Pilot Direct Replacement
Spence E Main Valve Direct Replacement
Spence E2 Main Valve Direct Replacement
Spence P3 Classic Vertical Replacement
Spence P3 Replacement
Spence Pressure Reducing Valve
Spence Repair Kit
Spirax Sarco BRV71
Spirax Sarco PTC Pump Parts
Spirax Sarco Steam Condensate Pump
Spirax/Sarco 13WS Direct Replacement
Spirax/Sarco APT10 Replacement
Spirax/Sarco APT14 Replacement
Spirax/Sarco B1H Direct Replacement
Spirax/Sarco B2 Direct Replacement
Spirax/Sarco B6 Direct Replacement
Spirax/Sarco BRV2S
Spirax/Sarco BTM7 Direct Replacement
Spirax/Sarco CA14 Replacement
Spirax/Sarco DP163 Replacement
Spirax/Sarco FAI Direct Replacement
Spirax/Sarco FT Series Direct Replacement
Spirax/Sarco FT14 Direct Replacement
Spirax/Sarco FT450 Direct Replacement
Spirax/Sarco FTB Series Direct Replacement
Spirax/Sarco FTI Direct Replacement
Spirax/Sarco PPC Replacement
Spirax/Sarco PPEC Replacement
Spirax/Sarco PPF Replacement
Spirax/Sarco PTC Replacement
Spirax/Sarco PTF Replacement
Spirax/Sarco RTA-125
Spirax/Sarco RTH-125
Spirax/Sarco T1 Direct Replacement
Spirax/Sarco T2 Direct Replacement
Spirax/Sarco TD120 Direct Replacement
Spirax/Sarco TD42H Direct Replacement
Spirax/Sarco TD42L Direct Replacement
Spirax/Sarco TD52 Direct Replacement
Spirax/Sarco TD52L Direct Replacement
Spirax/Sarco TD62 Direct Replacement
Spirax/Sarco TDC Direct Replacement
Spirax/Sarco TDT Direct Replacement
Spirax/Sarco UBP32 Direct Replacement
Spirax/Sarco UFT14 Direct Replacement
Spirax/Sarco UFT32 Direct Replacement
Spirax/Sarco UIB Direct Replacement
Spirax/Sarco UTD52H Direct Replacement
Spirax/Sarco UTD52L Direct Replacement
Spirax/Sarco VB21 Direct Replacement
SQM33.550A9
SQM33.750A9
SQM40
SQM45.291B9
SQM45.295B9
SQM48.497B9
SQM48.697B9
SQM50
SQM50 Components
SQM91.391A9
SQN70
SQN71
SSA-7 "Y" Strainer
SSA-7 "Y" Strainer Cover Gasket
SSB-7 "Y" Strainer
SSB-7 "Y" Strainer Cover Gasket
SSGFV Basket Strainer
Stainless Steel Basket Strainer
Stainless Steel Check Valve
Stainless Steel Float Steam Trap
Stainless Steel Inverted Bucket Steam Trap
Stainless Steel Pressure Relief Valve
Stainless Steel Steam Pressure Regulator
Stainless Steel Steam Trap
Stainless Steel Strainer
Stainless Steel Thermostatic Steam Trap
Steam Condensate Cooler
Steam Condensate Pump Trap
Steam Condensate Recovery Pump
Steam Exhaust Head
Steam Pressure Regulating Valve
Steam Regulating Valve
Steam Safety Valve
Steam Separator
Steam Trap Capsule
Sterlco 4028-G
Sterlco 41215-G
Sterlco 41215-GD
Sterlco 4128-G
Sterlco 4128-GD
Sterlco 56-T
Strainer Parts
Stratos Maxo D
Stratos Maxo Z
TD3600S Series
TD42H
TD42L
TD52
TD52L
TD600 Series
TD600S Series
TD600SB Series
TD700S Series
TD900S Series
TDC
TDT
Temperature Pilot
Temperature Regulating Valve
Temperature/Pressure Controller
Thermo-Disc Steam Trap
Thermo-Dynamic Steam Trap
Thermodisc Steam Trap
Thermodynamic Steam Trap
Thermostatic Radiator Valve
Thermostatic Steam Trap
Thermostatic Trap Parts
TLV FL21 Direct Replacement
TLV FL32 Direct Replacement
TLV FP32 Direct Replacement
TLV FS3 Direct Replacement
TLV FS5 Direct Replacement
TLV GP10L Replacement
TLV SS5P Direct Replacement
Tunstall DBC Series
Tunstall Repair Kits
Tunstall Steam Traps
Tunstall TA-FT Series
UC450S Connector Block With Strainer
UC450SB Connector Block With Strainer & Blowdown Valve
UFT450 Universal Steam Trap
Universal Connection Steam Trap
USIB450 Unviersal Steam Trap
UT450 Universal Steam Trap
UTD450 Universal Steam Trap
UTS600 Universal Connector Station
Vacuum Breaker
Valve Proving System
Valve-Actuator Assembly
Vent Rite G5V-G6V-Guardian Seal Kit
Vent Rite ML11763
Vent Rite Pump Parts
Vertical Multi-Stage Pump
VGD20 Double Body Gas Valve
VGD40 Double Body Gas Valve
Water Pressure Regulator
Water Regulating Valve
Watson McDaniel 153 Replacement
Watson McDaniel 153T Replacement
Watson McDaniel 175 Replacement
Watson McDaniel 175T Replacement
Watson McDaniel 403 Series
Watson McDaniel 455 Series
Watson McDaniel AE1800
Watson McDaniel AE1800R
Watson McDaniel Air Vent
Watson McDaniel AV2000
Watson McDaniel C153 Replacement
Watson McDaniel C153T Replacement
Watson McDaniel Control Valves
Watson McDaniel Direct-Operating Valves
Watson McDaniel EHC Series Exhaust Head
Watson McDaniel FT Series
Watson McDaniel FT600 Series
Watson McDaniel FT601 Series
Watson McDaniel FTE Series
Watson McDaniel FTT Series
Watson McDaniel HB Series Control Valve
Watson McDaniel HD Series Regulating Valve
Watson McDaniel HSP-SS Steam Regulating Valve
Watson McDaniel IB1031 Bucket Trap
Watson McDaniel IB1032 Bucket Trap
Watson McDaniel IB1034 Bucket Trap
Watson McDaniel IB1038S Bucket Trap
Watson McDaniel IB1041 Bucket Trap
Watson McDaniel IB1042 Bucket Trap
Watson McDaniel IB1044 Bucket Trap
Watson McDaniel OSS Series
Watson McDaniel Pipeline Accessories
Watson McDaniel PMPC Parts
Watson McDaniel PMPF Parts
Watson McDaniel Pressure Motive Pump
Watson McDaniel PT Temperature Pilot
Watson McDaniel PTU Temperature Pilot
Watson McDaniel Relief Valve
Watson McDaniel SIBH Bucket Trap
Watson McDaniel Steam Regulator
Watson McDaniel Steam Traps
Watson McDaniel Temperature Regulating Valve
Watson McDaniel Vacuum Breaker
Watson McDaniel W91
Watson McDaniel W94
Watson McDaniel WFT Series
Watson McDaniel WSSCV Series
Watson McDaniel WT2500 Series
Watson McDaniel WT3000 Series
Watson McDaniel WT4000 Series
Watson McDaniel WT5000 Series
WDS Steam Separator
WFT Series
Wilo Helix V10
Wilo Helix V20
Wilo Helix V80
Wilo Stratos GIGA
WLD1400 Series
Yarway 721 Direct Replacement

Products

Sort by

Spirax Sarco RTH-125 Repair Capsule from Tunstall.

Spirax/Sarco RTH-125 Thermostatic Capsule from Tunstall

Regular price $24⁰⁰ $24.00

Quick links

Store Policies
Privacy Policy
Return Policy
Returns
Terms of Service

Get in touch

p: 708-501-5089

Monday - Friday, 8:00 a.m. - 5:00 p.m. CT

e: info@athena-supply.com

Newsletter

Promotions, new products and sales. Directly to your inbox.

Email

Payment icons

choosing a selection results in a full page refresh