Karcher Thermal Relief Valve

The unloader valve recirculates water back to the pump inlet to control the pressure and temperature.

Karcher thermal relief valve.

The thermal release valve is a fairly cheap component and can be easily replaced by unscrewing the old valve and screwing in a new one. Should the pump ever overheat the thermal relief valves must be replaced. Karcher 45803520 karcher 458035950. The seal on the thermal release valve like most seals on the pump will wear with.

This genuine item is supplied by the original equipment manufacturer for use with karcher pressure washers. Buy it now c 16 68 shipping. The thermal relief valve opens to release hot high pressure water from the pump system onto the ground to prevent damage to the pump. Genuine karcher 4 132 011 0 center valve plug complete oem.

It protects the pump from damaging heat that builds up while in recirculation bypass mode. Universally fits 1 2 lines replacement for karcher models g4000oh g4000rhv2 hd3 1 31pv2 hd4 0. This is an oem part sourced directly from the manufacturer. The thermal relief valve fits onto the machined cylinder head.

Opening temperature is 140 f. Ultimate washer uw11 pw5d4s thermal relief valve for pressure washers inlet 1 2 inch male pump saver device replacement for karcher 91840130 4 4 out of 5 stars 10 15 97 15. 1 2 mnpt thermal relief valve. Karcher g 2400 hh g 2401 oh 2500 hk g 2500 ht g 2600 or g 2650 hh hd 830 b k 2300 g usa k2400 hh k 4000 g k 5800 gh k 5800 gt gb gh shipping charge of 8 95 will apply on these items if the total order is less than 69 00.

The valve is design. Hot water builds up when the spray gun is unused for more than 5 minutes while the pump is running. Buy it now c 25 86 shipping. This is a small yet crucial component of your pump that keeps it.

During the installation process a wrench might be needed to replace this part. Pump head with thermal relief valve for many karcher washer sprayer srmw2 4g28. It is made of metal and plastic and is sold individually. The valve is designed for use in a karcher pressure washer.

This video details the steps that are involved in the replacement of a thermal relief valve. The valve will reset automatically once the pump relives the excess heat. Trending at c 16 98. If the thermal release valves seal is compromised it may continuously leak water and cause the washer to lose pressure.