HTP

7855P-030 Heating Supply Temperature Sensor

This sensor monitors the supply temperature of the central heating inside of the combined heating and hot water appliances. 

7855P-031 Flame Sensor

The flame sensor is used to sense the presence of combustion within the chamber of the boiler. This is used on combination heating and hot water appliances.

7855P-034 Gas Valve

Gas valve that controls the amount of incoming fuel into the appliance. This is for the wall hung combination heating and hot water appliance. 

7855P-043 Mixing Valve

The mixing valve tempers the hot water produced by the appliance with cold water to reach the desired water temperature. This is used in both combination space heating and wall heating...

7855P-068 Ignition Rod

Replacement Ignition Rod.

7855P-069 / 7855P-474 Ceramic Fiber Burner

The ceramic fiber burner controls how the mixed air and fuel is released into the combustion chamber. This is used on both combination space heating and water heating appliances. 

7855P-083 Domestic Hot Water Flow Sensor

The Domestic Hot Water Flow Sensor monitors the temperature of the hot water output of the appliance. It is used in both combination space heating and water heating appliances. 

7855P-084 Outdoor Sensor

The Outdoor Temperature Sensor is used by many HTP Products to help enable warm weather reset as it enables greater efficiencies when it is warmer outside.

7855P-245 Internal Circulator Pump

This circulator pump is used to flow water through the central heating or domestic hot water side of the wall hung combination space heating and water heating appliance. It pumps the water to either...

7855P-247 3-Way Valve

The three way valve diverts the flow of boiler heated water between the central heating and domestic water heating sides of the appliance. This valve is only used in the wall hung combination...

7855P-252 Ignitor Gasket

Igniter gasket, used to seal the Ignition rod assembly.

7855P-262 Air Pressure Switch

This air pressure switch is a safety that helps to ensure that the exhaust vent is not restricted or obstructed. This is only used on the wall hung combination heating and hot water appliance.