Watts 0066100 3/4" 100XL Brass Self Closing Temperature And Pressure Relief Valve, 150 psi, 210 degree F, Test Lever, Extension Thermostat With 3" Stem 

Specifications 
Body Material Brass 
Brand Name Watts 
EANUCCCode 098268000016 
GDS Status Registered 
Inlet Connection Size 3/4 IN 
Inlet Connection Type Male Threaded 
Inlet Thread Type NPT 
Lead Free NO 
Maximum Temperature-Fahrenheit 210 
Outlet Connection Size 3/4 IN 
Outlet Connection Type Female Threaded 
Outlet Thread Type NPT 
Part Number 0066100 
Pressure Range 75 to 150 PSI 
Pressure Relief Setting-PSI 150 
Protection Type Temperature And Pressure 
Series 100XL 
Shank Length 1 1/8 IN 
Temperature Relief-Fahrenheit 210 
Temperature Steam Discharge Capacity 105,000 BTU per hour 
Thermostat Material Copper 
Thermostat Probe Length 3 IN 

This 3/4 inch temperature and pressure relief valve is used to provide automatic temperature and pressure protection to hot water supply tanks and hot water heaters up to 105,000 BTU/hr. It features a brass body with NPT male inlet and NPT female outlet connections, unique thermostat with special thermo-bonded coating, and a test lever. This valve is ASME rated and CSA listed. Temperature relief is 210 degree F (99 degree C),emperature and pressure protection to hot water supply tanks and hot water heaters up to 105,000 BTU/hr. It features a brass body with NPT male inlet and NPT female outlet connections, unique thermostat with special thermo-bonded coating, and a test lever. Model 100XL-8 is also available with 8 inch (200mm) extension thermostat. Series 100XL is ASME rated and CSA listed. Temperature relief is 210 degree F (99 degree C), Pressure relief range is 75 to 150psi (5.2 to 10.3 bar). Standard pressure settings are 75, 100, 125, or 150psi (5.27, 7.03, 8.79, or 10.55 bar). 

Product Features 

Brass body construction 
Required safety device on all water heaters 
Temperature relief is 210 degree F (99 degree C) 
Prevents water heater from blowing up 
Includes test lever and stainless steel spring 
ANSI Z21.22 certified 
Features unique thermostat with special thermo-bonded coating 
ASME rated, CSA Listed 
Used to provide automatic temperature and pressure protection to hot water supply tanks and hot water heaters up to 105,000 BTU/hr