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HOME > Thermal Relief Valves

 

Thermal Relief Valves

 

 
Pressure Relief Valves
Pressure
Relief Valves
Thermal Relief Valves
Thermal
Relief Valves
Unloader Valves
 

The thermal relief valve keeps pressure cleaner pumps operating in a safe range to prevent overheating (caused by recirculating water). At water temperatures above 145º F, packing seals may fail. The pump then overheats. When the system is in bypass mode, the thermal relief valve opens to release hot water. Cold water can then enter the pump so it continues to operate at a safe temperature. Should the pump overheat, thermal relief valves must be replaced.

 

Thermal Relief Valves

Thermal Relief Valve


Thermal Relief Valve

A MUST for any pump that might ever be left in bypass mode (unloading) for more than 15 seconds! Protects the pump from overheating caused by recirculating water.

Features:

  • Installs in bypass line
  • Automotive style wax element
  • Automatically resets at cool down to 115° +F
  • No adjustment required
  • 1/8" FPT side discharge
  • 125 PSI inlet pressure
  • 2.5 GPM flow

(Shipping charge of $8.95 will apply on these items if the total order is less than $69.00)

MODEL
INLET
"Trip" TEMP
PRICE
8.904-564.0
1/4"MPT
140° F
8.904-565.0
3/8"MPT
140° F
8.723-942.0
3/8"MPT
170° F
8.904-566.0
1/2"MPT
140° F
8.723-943.0
1/2"MPT
170° F

 

Compact Thermal Relief Valve

Compact Thermal Relief Valve

(Shipping charge of $8.95 will apply on these items if the total order is less than $69.00)

MODEL
INLET
"Trip" TEMP
PRICE
8.712-544.0
1/4"MPT
145° F
8.712-545.0
3/8"MPT
145° F
9.802-182.0
1/2"MPT
145° F

 

TRV Thermal Relief Valve

TRV Thermal Relief Valve

  • Brass Body
  • Plastic covered barb
  • 7mm Hose barb
  • 145 PSI
  • Opens at 145°

(Shipping charge of $8.95 will apply on these items if the total order is less than $69.00)

MODEL
INLET
"Trip" TEMP
PRICE
8.712-546.0
1/4"
145° F
8.712-547.0
3/8"
145° F
8.712-548.0
1/2"
145° F

 

Steam Valves
Steam Valve


Steam Valve

For "Combo" Hot Pressure Washer/Steamer units. The single turn on/off diverter valve by-passes pump flow to reduce water flow to the coil, creating steam in place of normal hot water.

  • Panel mount in 11/16" or 3/4" hole
  • Machined brass body
  • Easy-grip plastic knob
  • 3600 PSI
  • 175° F
  • 1/4" MPT inlet/outlet

(Shipping charge of $8.95 will apply on these items if the total order is less than $69.00)

MODEL
ORIFICE (mm)
PRICE
8.711-263.0
0.8
8.904-406.0
1.2
8.904-407.0
1.5
8.904-408.0
1.8
8.904-409.0
2.0

 

See Also

       
       

 

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