Key Benefits of the T-4000-3141 Cover Universal T-4000 Compatibility: Designed specifically to fit almost all horizontal T-4000 series pneumatic thermostats (excluding certain T-4100 models)

Key Benefits Enhanced Safety: Integrated microprocessor performs continuous self-checks and 30-second pre-purge cycles to ensure safe combustion environments

When executing a Honeywell VFD repair or upgrading an existing industrial HVAC controller

Common Questions: What causes a 1095242 limit switch to trip frequently

Watts 0121339 Valve 326070-701 Key Benefits of the T-4000-3141The Watts 0121339 (Model 10L 2 150) is a veteran standard 3 4 inch T&P relief valve engineered for critical temperature and pressure protection in water heater and hot water storage tank applications. Built with a lead free copper alloy body and a stainless steel spring, this ASME rated and CSA listed valve is designed to manage systems up to 80,000 BTU hr. Its internal thermostatic element features a specialized thermo bonded coating to prevent