Majestic SIT-820 Nova MV OEM Natural Gas Valve for Direct Vent Units

This Majestic SIT-820 Nova MV OEM natural gas valve is a new replacement part intended for compatible direct vent units. It is listed in the Home & Garden category and may be suitable when servicing or restoring an existing gas appliance that requires an OEM valve. Verify compatibility by matching your current part number and appliance requirements before purchase. Check the listing for details. Price is $148.90 USD and it includes free shipping.

USD 148.90
Condition: see listing
LocationPlainwell US
ShippingFree shipping (check listing for details)
Seller s.a.w.inc
99.8% positive · 23022 feedback
ListingFixedPrice · Active
Start time2025-04-14T13:36:34.000Z
View on eBay Read review
Majestic SIT-820 Nova MV OEM Natural Gas Valve for Direct Vent Units Specs
ColorSilver
MaterialMetal
MPN52677
Item Depth2 in
Fuel TypeNatural Gas
BrandMajestic
TypeGas Valve
Item Height6 in
Model52677
Country/Region of ManufactureMexico
Item Weight3 lb
Item Width5 in
Listing details

52677Replacement natural gas valve is for natural gas compatible Majestic and Vermont Castings Fireplaces, Gas Logs sets and direct vent Stoves. This natural gas valve is manufactured by SIT as part of their 820 Nova series.Natural gas valve features a split-system millivolt control, a manually adjustable HI/LO burner knob, and a drop-out current for safe operation.Please note that this is designed for use with direct vent natural gas appliances only.Specifications of the SIT 820 Nova Valve:Split-system millivolt control natural gas valve for use in vented appliances.HI/LO burner adjustment with manually operated knobMinimum voltage 145mV Coil resistance 2.25±0.5Thermo-Electric Unit Hold-in current less than 285MaDrop-out current Greater than 125mA with coil resistance 0.018± 0.003Gas type Natural Gas HI/LO action Manual Pressure set-point 3.5” w.c. ± 0.3Range of adjustment 3.5” w.c. -1.6” w.c. Set at 30K btu/hrThermocouple connection 11/32 ASA-DNCNatural Gas Inlet 3/8 in. NPTNatural Gas Outlet 3/8 in. NPTMaximum natural gas inlet pressure 1/2 PSIG Ambient operatingTemperature: 32° to 175° FMaximum @ 1 in. w.c. pressure drop 100,000 BTU per hour Regulation capacity 5,000 to 195,000 BTU AP per hourService Note:While the SIT 820 Nova gas valves may look and function similarly, there are subtle differences between them.There are hundreds of these valves, so it is heavily recommended that you only use your manufacturer-approved gas valve for your natural gas appliance.Using a gas valve that it not compatible with your flame feature is a potential risk to the continued operation of your appliance and to your safety.The following is a partial list of fire appliances that the 52677 is known to service. To check compatibility with a fire feature model not found on this list, please consult the user manual for the appliance.No returns will be accepted on this parts after the packaging has been opened.Warning: Never service a heater while the unit is plugged in, operating or still hot.Severe burns and electrical shock can occur.Always check for gas leaks after replacing any gas related parts or products.Repairs should only be preformed by a licensed mechanical contractor.

close