it is best practice to mount the valve with the coil upright to prevent the accumulation of scale or debris in the plunger tube

000 BTU models (like the HSB09611) built both before and after June 2007

The unit is UL and CSA approved

OEM Compatibility: Guaranteed fit for Lennox 48G22 and compatible Honeywell gas valves

making it a reliable choice for field replacements

Johnson Controls T-4506-9007 Pneumatic Thermostat Freon it is best practice toThe Johnson Controls T 4506 9007 is a dual temperature, direct acting pneumatic thermostat designed for precision climate control in commercial HVAC systems. Operating within a setpoint range of 12 to 30 degrees Celsius, this unit is engineered for horizontal mounting and provides reliable pneumatic room control for heating and cooling transitions. As a dual pressure thermostat, it utilizes a bi metal sensing element to maintain tight differentials,