Description
The H91AA 4C (REVB) model from BASO Gas Products belongs to the H91 “Rev B” series of solenoid operated automatic shut off gas valves. These valves are engineered to enhance safety and performance in gas fired equipment by automatically controlling gas flow in response to electrical demand signals (such as from a thermostat). Specifically, the H91AA 4C (REVB) features a 1/8″ NPT connection set, operates at 120 V, and supports a gas capacity of approximately 70,000 BTU/hr, making it ideal for compact heating appliances and light commercial systems. SupplyHouse.com+2PartsHnC+2
Features:
- Precise 1/8″ NPT inlet/outlet — simplifies direct replacement in tight space installations, especially in older heaters or wall mounted furnaces.
- 120 V coil voltage — compatible with standard HVAC control systems, reducing wiring complexity during service or retrofit.
- 70,000 BTU/hr capacity — supports moderate duty gas fired equipment such as boilers, wall heaters, dryers, and generators.
- Supports both natural gas and LP/propane (and LP gas/air mixtures) — offers flexibility across fuel types.
- Rated for inlet pressures up to 0.5 psi — suitable for low pressure gas systems common in residential or light commercial HVAC setups.
- Wide ambient temperature range ( 40 °F to 175 °F / 40 °C to 79 °C) — designed to operate reliably in demanding environments.
- Backed by BASO’s heritage in gas control components — offering dependable safety performance and industry approved listings (UL, CSA) in many cases.
